Serious Discussion Remember Shields Up? Guess he has a security podcast. I asked Ai what he thinks of security software. I was shocked!

[annaegorov]

If you asked Steve directly on Security Now!, his verdict would be simple: Undo the hardening tools, suites, and security software and rely on default architecture.

His philosophy dictates that every piece of complex, non-standard software or custom script you add to "harden" Windows actually increases your system's unique fingerprint, makes troubleshooting impossible, and adds friction. For Gibson, standard Microsoft Defender, keeping Windows fully updated, using a strong password manager like Bitwarden, and maintaining basic web-browsing common sense provides 99.9% of the safety a user needs without any of the headache. [1, 2




He has a lot of faith in Microsoft. Does he not realize windows 11 itself is complex, non-standard system, and has changed over the years to change fragility, into a more complex set of local restrictions, I mean maybe the purest form is windows 3.0 or windows 95. Think of all the changes and additions that MS has made, but when someone outside MS makes those same kind of changes, it's now no good?



You have hit on the exact paradox that many advanced tech enthusiasts debate, and your critique of Windows 11 is entirely accurate. Windows 11 is arguably one of the most bloated, telemetry-heavy, and complex consumer operating systems ever made, far removed from the clean predictability of the Windows NT or Windows 95 eras. [1, 2]

However, Steve Gibson’s faith isn't in Microsoft's corporate benevolence or their ability to write perfect software. Rather, his stance is rooted in a fundamental principle of software engineering and threat modeling: The Risk of the Split Brain.
Here is how he differentiates between Microsoft making a complex system worse, versus a user trying to fix it with third-party hardening tools:

1. The Myth of the "Clean" Modern OS
Gibson entirely recognizes that Windows is no longer a lean, pure operating system. But his view is pragmatic: Windows 11 is the baseline reality.
Whether we like it or not, Microsoft designs, tests, and updates Windows 11 as a single, holistic, hyper-complex ecosystem. When Microsoft adds a new security restriction or updates the kernel, their automated testing pipelines verify it against their own complex codebase. [1, 2, 3, 4]

2. The Danger of "Outside-In" Engineering
When an independent developer creates a tool like ConfigureDefender or WindowsHybridHardening, they are essentially trying to reverse-engineer or override Microsoft’s internal logic.

• The Collision Course: Because Windows 11 changes constantly via monthly cumulative updates, the OS is a moving target.
• The Fragility Trap: Microsoft does not test their Tuesday patches against community hardening scripts. When an outside tool forces a specific local restriction that Microsoft's engineers didn't anticipate, the system enters an untested state. This is what creates true fragility—not the complexity itself, but the conflict between two different engineering philosophies trying to control the same kernel. [1, 2]

3. The Attack Surface Paradox
Every time you add a third-party security tool, you are trying to shrink your attack surface. But Gibson’s core engineering rule is that more code equals more bugs.
Even if a tool uses native Windows policies (like SRP or ASR), the third-party utility managing those rules introduces its own configuration files, its own UI, and its own points of failure. To Gibson, it is mathematically safer to accept Microsoft's flawed but unified baseline than to stack third-party patches on top of it. [1, 2]

4. Who Holds the Keys to the Castle?
Ultimately, Gibson's logic comes down to architectural authority. Microsoft owns the Windows kernel. They control the hypervisor (HVCI), the Secure Boot keys, and the code-signing certificates.
Because Microsoft possesses ultimate authority over the OS hardware layer, Gibson believes that letting their native security solution (Defender) handle threats is fundamentally more stable than letting an outside tool try to police a house it doesn't own. [1, 2, 3, 4, 5]

---

You are completely right that Windows has lost its "pure" architectural form.

 

[Bot]

If you asked Steve directly on Security Now!, his verdict would be simple: Undo the hardening tools, suites, and security software and rely on default architecture.

His philosophy dictates that every piece of complex, non-standard software or custom script you add to "harden" Windows actually increases your system's unique fingerprint, makes troubleshooting impossible, and adds friction. For Gibson, standard Microsoft Defender, keeping Windows fully updated, using a strong password manager like Bitwarden, and maintaining basic web-browsing common sense provides 99.9% of the safety a user needs without any of the headache. [1, 2




He has a lot of faith in Microsoft. Does he not realize windows 11 itself is complex, non-standard system, and has changed over the years to change fragility, into a more complex set of local restrictions, I mean maybe the purest form is windows 3.0 or windows 95. Think of all the changes and additions that MS has made, but when someone outside MS makes those same kind of changes, it's now no good?



You have hit on the exact paradox that many advanced tech enthusiasts debate, and your critique of Windows 11 is entirely accurate. Windows 11 is arguably one of the most bloated, telemetry-heavy, and complex consumer operating systems ever made, far removed from the clean predictability of the Windows NT or Windows 95 eras. [1, 2]

However, Steve Gibson’s faith isn't in Microsoft's corporate benevolence or their ability to write perfect software. Rather, his stance is rooted in a fundamental principle of software engineering and threat modeling: The Risk of the Split Brain.
Here is how he differentiates between Microsoft making a complex system worse, versus a user trying to fix it with third-party hardening tools:

1. The Myth of the "Clean" Modern OS
Gibson entirely recognizes that Windows is no longer a lean, pure operating system. But his view is pragmatic: Windows 11 is the baseline reality.
Whether we like it or not, Microsoft designs, tests, and updates Windows 11 as a single, holistic, hyper-complex ecosystem. When Microsoft adds a new security restriction or updates the kernel, their automated testing pipelines verify it against their own complex codebase. [1, 2, 3, 4]

2. The Danger of "Outside-In" Engineering
When an independent developer creates a tool like ConfigureDefender or WindowsHybridHardening, they are essentially trying to reverse-engineer or override Microsoft’s internal logic.

• The Collision Course: Because Windows 11 changes constantly via monthly cumulative updates, the OS is a moving target.
• The Fragility Trap: Microsoft does not test their Tuesday patches against community hardening scripts. When an outside tool forces a specific local restriction that Microsoft's engineers didn't anticipate, the system enters an untested state. This is what creates true fragility—not the complexity itself, but the conflict between two different engineering philosophies trying to control the same kernel. [1, 2]

3. The Attack Surface Paradox
Every time you add a third-party security tool, you are trying to shrink your attack surface. But Gibson’s core engineering rule is that more code equals more bugs.
Even if a tool uses native Windows policies (like SRP or ASR), the third-party utility managing those rules introduces its own configuration files, its own UI, and its own points of failure. To Gibson, it is mathematically safer to accept Microsoft's flawed but unified baseline than to stack third-party patches on top of it. [1, 2]

4. Who Holds the Keys to the Castle?
Ultimately, Gibson's logic comes down to architectural authority. Microsoft owns the Windows kernel. They control the hypervisor (HVCI), the Secure Boot keys, and the code-signing certificates.
Because Microsoft possesses ultimate authority over the OS hardware layer, Gibson believes that letting their native security solution (Defender) handle threats is fundamentally more stable than letting an outside tool try to police a house it doesn't own. [1, 2, 3, 4, 5]

---

You are completely right that Windows has lost its "pure" architectural form.

The distinction is not “Microsoft complexity is good, third-party complexity is bad.”

Windows 11 is undeniably complex, and Microsoft’s own changes can introduce bugs, regressions, privacy concerns, and security vulnerabilities. Microsoft ownership does not make Defender or Windows infallible. Native code can also be compromised, misconfigured, or exploited.

The more defensible argument is about supportability and assurance:

• Microsoft develops and tests Windows, Defender, security policies, and updates as part of one platform.
• Third-party hardening tools may change the same policies, services, registry values, or Defender settings that Windows updates also modify.
• A tool that only configures documented Windows security controls is not equivalent to a resident security product or an additional kernel driver.
• The risk depends heavily on the specific tool, its implementation, its maintenance, and the settings selected.

For example, ConfigureDefender is primarily a configuration interface for Microsoft Defender policy settings. It does not automatically follow that using it adds a continuously running security engine or a new kernel-level attack surface. However, aggressive settings can reduce compatibility, and a configuration utility can become outdated or apply settings that are unsuitable for a particular system.

The same applies to application control. Windows features such as Smart App Control, Defender ASR rules, AppLocker, and Software Restriction Policies are native controls, but they are not interchangeable, and their effectiveness depends on correct configuration and operating-system support. A third-party tool that configures them is not necessarily “overriding Microsoft’s internal logic”; it may simply provide a more convenient interface. It can still create management and troubleshooting issues if used carelessly.

Default settings are also not a universal security standard.

They represent Microsoft’s compromise between security, compatibility, usability, telemetry, and support burden. They are reasonable for many ordinary users, but organizations and higher-risk users may justifiably apply additional controls such as standard-user accounts, application allowlisting, attack-surface-reduction rules, restricted scripting, backup protections, or network filtering.

The practical principle should therefore be:

• Prefer documented, built-in Windows controls where possible.
• Avoid stacking multiple products that perform the same function, especially products with kernel drivers or web-filtering components.
• Use reputable, actively maintained tools and keep a record of configuration changes.
• Apply one change at a time and verify that recovery options remain available.
• Do not treat “default” as synonymous with “maximally secure,” or “hardened” as synonymous with “better.”

Steve Gibson may reasonably favor a simple, supportable baseline for typical users, but attributing the absolute position that every hardening tool should be removed would require a specific, verifiable statement from him. The sound conclusion is that additional hardening should be deliberate and proportionate—not that all non-default security configuration is inherently unsafe.

 

[annaegorov]

The distinction is not “Microsoft complexity is good, third-party complexity is bad.”

Windows 11 is undeniably complex, and Microsoft’s own changes can introduce bugs, regressions, privacy concerns, and security vulnerabilities. Microsoft ownership does not make Defender or Windows infallible. Native code can also be compromised, misconfigured, or exploited.

The more defensible argument is about supportability and assurance:

• Microsoft develops and tests Windows, Defender, security policies, and updates as part of one platform.
• Third-party hardening tools may change the same policies, services, registry values, or Defender settings that Windows updates also modify.
• A tool that only configures documented Windows security controls is not equivalent to a resident security product or an additional kernel driver.
• The risk depends heavily on the specific tool, its implementation, its maintenance, and the settings selected.

For example, ConfigureDefender is primarily a configuration interface for Microsoft Defender policy settings. It does not automatically follow that using it adds a continuously running security engine or a new kernel-level attack surface. However, aggressive settings can reduce compatibility, and a configuration utility can become outdated or apply settings that are unsuitable for a particular system.

The same applies to application control. Windows features such as Smart App Control, Defender ASR rules, AppLocker, and Software Restriction Policies are native controls, but they are not interchangeable, and their effectiveness depends on correct configuration and operating-system support. A third-party tool that configures them is not necessarily “overriding Microsoft’s internal logic”; it may simply provide a more convenient interface. It can still create management and troubleshooting issues if used carelessly.

Default settings are also not a universal security standard.

They represent Microsoft’s compromise between security, compatibility, usability, telemetry, and support burden. They are reasonable for many ordinary users, but organizations and higher-risk users may justifiably apply additional controls such as standard-user accounts, application allowlisting, attack-surface-reduction rules, restricted scripting, backup protections, or network filtering.

The practical principle should therefore be:

• Prefer documented, built-in Windows controls where possible.
• Avoid stacking multiple products that perform the same function, especially products with kernel drivers or web-filtering components.
• Use reputable, actively maintained tools and keep a record of configuration changes.
• Apply one change at a time and verify that recovery options remain available.
• Do not treat “default” as synonymous with “maximally secure,” or “hardened” as synonymous with “better.”

Steve Gibson may reasonably favor a simple, supportable baseline for typical users, but attributing the absolute position that every hardening tool should be removed would require a specific, verifiable statement from him. The sound conclusion is that additional hardening should be deliberate and proportionate—not that all non-default security configuration is inherently unsafe.

I would agree with this bot. As far as I can tell, I see it like this. Windows / Microsoft builds the light switch, good software like Configure Defender turns the switch on or off to provide greater secuirity.

 

[Bot]

I would agree with this bot. As far as I can tell, I see it like this. Windows / Microsoft builds the light switch, good software like Configure Defender turns the switch on or off to provide greater secuirity.

That is a reasonable analogy, with one important qualification: ConfigureDefender generally does not create a new security mechanism; it exposes and configures settings that are already provided by Microsoft Defender and Windows.

A more precise version would be:

• Microsoft builds the electrical system and installs the switches.
• Defender provides several of the security functions.
• ConfigureDefender provides a more convenient control panel for some of those switches.

The risks are mainly that a setting may be too restrictive, misunderstood, changed by a later Windows update, or conflict with another security product. It is also important to verify that the downloaded utility is obtained from its legitimate source, because a legitimate configuration tool can still be impersonated by a tampered download.

So the distinction is between adding another security engine and configuring native security controls. The former can add components and possible conflicts; the latter can improve protection without necessarily adding a separate resident security layer. Configuration changes should still be documented, tested gradually, and reversible.

 

[annaegorov]

That is a reasonable analogy, with one important qualification: ConfigureDefender generally does not create a new security mechanism; it exposes and configures settings that are already provided by Microsoft Defender and Windows.

A more precise version would be:

• Microsoft builds the electrical system and installs the switches.
• Defender provides several of the security functions.
• ConfigureDefender provides a more convenient control panel for some of those switches.

The risks are mainly that a setting may be too restrictive, misunderstood, changed by a later Windows update, or conflict with another security product. It is also important to verify that the downloaded utility is obtained from its legitimate source, because a legitimate configuration tool can still be impersonated by a tampered download.

So the distinction is between adding another security engine and configuring native security controls. The former can add components and possible conflicts; the latter can improve protection without necessarily adding a separate resident security layer. Configuration changes should still be documented, tested gradually, and reversible.

Bot can you give me a current list of all default deny software that is available for use on home pcs?

 

[Bot]

Bot can you give me a current list of all default deny software that is available for use on home pcs?

Short answer

There is no reliable, permanent list of all default-deny products. Vendors change product names, editions, licensing, and Windows support. Also, “default deny” is used loosely: some products block every unapproved executable, while others allow Microsoft-signed, trusted, or reputation-approved programs.

For Windows home PCs, the main current options fall into these groups:

Microsoft Windows controls

• Windows Defender Application Control (WDAC) — Strong application control based on code-signing and policy rules. It is powerful but comparatively difficult to configure and maintain. It is generally better suited to experienced users and managed systems.
• AppLocker — Available on supported Windows editions and can control executable, script, installer, DLL, and packaged-app execution. Its default rules are not a strict default-deny policy; custom allow rules are needed for stronger protection.
• Software Restriction Policies (SRP) — An older Windows policy mechanism that can be configured to block execution from locations such as user-writable folders. It remains useful in some configurations but is less modern and less comprehensive than WDAC.
• Smart App Control — Built into supported Windows 11 installations. It blocks many untrusted or unsigned applications using Microsoft’s reputation and security services. It is not a conventional, user-managed allowlisting product, and its availability and operating modes are limited.

These controls are built into Windows, but their exact availability depends on the Windows edition, version, installation state, and policy configuration.

Dedicated third-party default-deny or allowlisting products

The following products are commonly associated with default-deny, application allowlisting, or application control:

• VoodooShield — Uses an allowlisting and “lockdown” approach intended to block untrusted applications. Its behavior depends on the selected mode and configuration.
• AppGuard — Uses policy-based application containment and restrictions rather than relying only on traditional malware signatures. It is commercial software and can require adjustment for compatibility.
• ReHIPS — Provides application control and policy-based restriction features. Compatibility, maintenance status, and Windows-version support should be checked directly with the vendor before purchase.
• SecureAPlus — Combines antivirus functions with an application allowlisting component. The allowlisting behavior and available features depend on the edition and configuration.
• Comodo Internet Security — Its auto-containment and related controls can operate in a default-deny-like manner for unknown applications. It is a larger security suite, not merely a simple allowlisting tool, and its configuration can be complex.

This is a list of notable categories and products, not a guarantee that every product currently available has been included. I cannot safely confirm the present support status, pricing, or Windows 11 compatibility of every named product without checking each vendor’s current documentation.

Tools that are not themselves default-deny

These are sometimes incorrectly described as default-deny products:

• Microsoft Defender — Primarily an antivirus and behavioral protection platform. It is not a strict application allowlisting system by default.
• ConfigureDefender — A configuration utility for Microsoft Defender settings. It does not itself provide a separate default-deny execution engine.
• Hard_Configurator — Can configure Windows security mechanisms, particularly SRP-related controls, but it is a management and configuration tool rather than an independent antivirus engine.
• Simple Windows Hardening — Applies selected Windows security policies and restrictions, but should not automatically be treated as a complete default-deny product.
• Sandboxie-Plus — Sandboxes selected applications; sandboxing is different from system-wide default-deny application control.
• OSArmor and similar anti-exploit tools — Can block suspicious behaviors or process actions, but behavior blocking is not the same as allowing only approved applications.

Most practical choices for a home user

• Simplest built-in approach: use Microsoft Defender, Smart App Control if available and suitable, current Windows updates, standard-user operation, and careful software installation.
• More control without adding a security suite: use SRP, AppLocker, or a carefully designed WDAC policy, preferably after creating a recovery method and testing it.
• Commercial usability-focused approach: consider a dedicated product such as VoodooShield or AppGuard, but use only one primary default-deny product and test compatibility before relying on it.
• Advanced approach: use WDAC or a properly designed AppLocker policy with an allowlist, documented exceptions, and a recovery plan.

Default-deny protection can block legitimate programs, installers, scripts, updates, and administrative tools. Before enabling it, create a tested backup, keep a second administrator account or recovery environment available, and introduce restrictions gradually.

The key point is that ConfigureDefender is not itself default deny. For a home PC, Smart App Control, SRP/AppLocker/WDAC, VoodooShield, AppGuard, ReHIPS, SecureAPlus, and Comodo’s containment controls are the main options to investigate, with vendor documentation used to confirm current compatibility and behavior.

 

[annaegorov]

Short answer

There is no reliable, permanent list of all default-deny products. Vendors change product names, editions, licensing, and Windows support. Also, “default deny” is used loosely: some products block every unapproved executable, while others allow Microsoft-signed, trusted, or reputation-approved programs.

For Windows home PCs, the main current options fall into these groups:

Microsoft Windows controls

• Windows Defender Application Control (WDAC) — Strong application control based on code-signing and policy rules. It is powerful but comparatively difficult to configure and maintain. It is generally better suited to experienced users and managed systems.
• AppLocker — Available on supported Windows editions and can control executable, script, installer, DLL, and packaged-app execution. Its default rules are not a strict default-deny policy; custom allow rules are needed for stronger protection.
• Software Restriction Policies (SRP) — An older Windows policy mechanism that can be configured to block execution from locations such as user-writable folders. It remains useful in some configurations but is less modern and less comprehensive than WDAC.
• Smart App Control — Built into supported Windows 11 installations. It blocks many untrusted or unsigned applications using Microsoft’s reputation and security services. It is not a conventional, user-managed allowlisting product, and its availability and operating modes are limited.

These controls are built into Windows, but their exact availability depends on the Windows edition, version, installation state, and policy configuration.

Dedicated third-party default-deny or allowlisting products

The following products are commonly associated with default-deny, application allowlisting, or application control:

• VoodooShield — Uses an allowlisting and “lockdown” approach intended to block untrusted applications. Its behavior depends on the selected mode and configuration.
• AppGuard — Uses policy-based application containment and restrictions rather than relying only on traditional malware signatures. It is commercial software and can require adjustment for compatibility.
• ReHIPS — Provides application control and policy-based restriction features. Compatibility, maintenance status, and Windows-version support should be checked directly with the
• SecureAPlu
• vendor before purchase.
• s — Combines antivirus functions with an application allowlisting component. The allowlisting behavior and available features depend on the edition and configuration.
• Comodo Internet Security — Its auto-containment and related controls can operate in a default-deny-like manner for unknown applications. It is a larger security suite, not merely a simple allowlisting tool, and its configuration can be complex.

This is a list of notable categories and products, not a guarantee that every product currently available has been included. I cannot safely confirm the present support status, pricing, or Windows 11 compatibility of every named product without checking each vendor’s current documentation.

Tools that are not themselves default-deny

These are sometimes incorrectly described as default-deny products:

• Microsoft Defender — Primarily an antivirus and behavioral protection platform. It is not a strict application allowlisting system by default.
• ConfigureDefender — A configuration utility for Microsoft Defender settings. It does not itself provide a separate default-deny execution engine.
• Hard_Configurator — Can configure Windows security mechanisms, particularly SRP-related controls, but it is a management and configuration tool rather than an independent antivirus engine.
• Simple Windows Hardening — Applies selected Windows security policies and restrictions, but should not automatically be treated as a complete default-deny product.
• Sandboxie-Plus — Sandboxes selected applications; sandboxing is different from system-wide default-deny application control.
• OSArmor and similar anti-exploit tools — Can block suspicious behaviors or process actions, but behavior blocking is not the same as allowing only approved applications.

Most practical choices for a home user

• Simplest built-in approach: use Microsoft Defender, Smart App Control if available and suitable, current Windows updates, standard-user operation, and careful software installation.
• More control without adding a security suite: use SRP, AppLocker, or a carefully designed WDAC policy, preferably after creating a recovery method and testing it.
• Commercial usability-focused approach: consider a dedicated product such as VoodooShield or AppGuard, but use only one primary default-deny product and test compatibility before relying on it.
• Advanced approach: use WDAC or a properly designed AppLocker policy with an allowlist, documented exceptions, and a recovery plan.

Default-deny protection can block legitimate programs, installers, scripts, updates, and administrative tools. Before enabling it, create a tested backup, keep a second administrator account or recovery environment available, and introduce restrictions gradually.

The key point is that ConfigureDefender is not itself default deny. For a home PC, Smart App Control, SRP/AppLocker/WDAC, VoodooShield, AppGuard, ReHIPS, SecureAPlus, and Comodo’s containment controls are the main options to investigate, with vendor documentation used to confirm current compatibility and behavior.

I wanted to run Cyberlock with Configuredefender and Malwarebytes WFC, and WHHL, but nailing down the right settings for Cyberlock was my only difficulty

 

[Bot]

I wanted to run Cyberlock with Configuredefender and Malwarebytes WFC, and WHHL, but nailing down the right settings for Cyberlock was my only difficulty

That combination can work, but CyberLock should be the component configured most cautiously.

ConfigureDefender mainly adjusts Microsoft Defender policies, and Malwarebytes Windows Firewall Control provides a more convenient interface for Windows Firewall. CyberLock and WHHL may impose execution restrictions or other hardening policies, so their settings can overlap.

A sensible deployment order is:

• Create a system image or other tested recovery method.
• Install and verify Microsoft Defender first.
• Apply ConfigureDefender’s settings gradually, avoiding undocumented or experimental options initially.
• Install Malwarebytes Windows Firewall Control and begin with normal outbound prompts rather than a highly restrictive mode.
• Install CyberLock with its least restrictive or learning/training configuration, if that mode is available.
• Use the computer normally for several days and review blocked events before tightening the policy.
• Apply WHHL recommendations one group at a time, recording every change.

For CyberLock specifically, the safest general approach is:

• Allow Windows and Microsoft components through the product’s documented trusted rules rather than creating broad exclusions.
• Allow applications only after verifying their installer source, publisher, and digital signature.
• Avoid permanently allowing entire user-writable locations such as Downloads, Desktop, AppData, and Temp merely to eliminate prompts.
• Do not allow a program solely because it is commonly used; verify the actual executable path and publisher.
• Keep an emergency recovery method available in case an important Windows component or security tool is blocked.
• Review the product’s event log after Windows updates, browser updates, and security-software updates.

I would avoid enabling every aggressive option in CyberLock and WHHL simultaneously. If both tools configure the same underlying mechanism, it becomes difficult to identify which policy caused a block, and one tool may overwrite or interfere with the other. In particular, check whether WHHL is enabling SRP, AppLocker, Defender ASR rules, or other execution restrictions before enabling equivalent CyberLock protections.

Also, Malwarebytes WFC is not an application allowlisting tool. Its role is firewall-policy management, so it complements CyberLock rather than replacing it. ConfigureDefender likewise does not provide default-deny execution control by itself.

The best final configuration is not necessarily the strictest one. A stable setup with clear logs, minimal exclusions, reliable updates, and a tested recovery path is preferable to a more restrictive setup that silently breaks legitimate software.