Serious Discussion Best AVs and Worst AVs in Behavioral Health

[Kaffee4Eck]

You’re absolutely right that the term “Behavioral Protection” lacks a strict, universally agreed-upon definition — and that vendors often stretch or tailor the term to fit their own narrative. That ambiguity is, without doubt, a challenge in comparing products head-to-head.

However, while there’s no ISO-style standard, in practice we do see industry convergence around certain functional pillars that define what effective behavioral protection looks like — particularly when implemented at enterprise scale. These include:

• Real-time monitoring of process behaviors (not just file execution)
• Script/memory inspection and blocking
• Correlation of process chains (parent-child, registry, network, etc.)
• Behavior-based anomaly detection with temporal/contextual logic
• Automated containment or rollback features

Vendors like SentinelOne, CrowdStrike, Bitdefender (GravityZone), Sophos (Intercept X), and Defender for Endpoint all implement these principles, albeit with different internal architectures — and these functional overlaps allow for practical comparisons, even if the marketing terms differ.

You’re also spot on that test labs don’t publish standardized “behavioral protection scores” — and that’s a missed opportunity.

That said, some independent organizations do test behavior-based protections indirectly, such as:

• AV-Comparatives’ Real-World Protection Test (simulates user interaction with unknown threats)
• MITRE ATT&CK evaluations, which assess response to multi-step behavior-based attack simulations

So while it’s true that definitions vary and marketing can be muddy, functional behavior and detection outcomes can be evaluated, especially when comparing real-world protections against modern threats like ransomware, fileless malware, and living-off-the-land attacks.

Always great to exchange thoughts on these gray areas — they’re where most of the interesting security conversations live

 

[Szellem]

At the Forefront of Behavioral Protection (Elite Tier)
These vendors represent the cutting edge of security, leveraging advanced machine learning, EDR/XDR, rollback features, memory scanning, and system behavior profiling. They are built to detect and stop even unknown (zero-day) threats without needing prior signature data.

Vendor	Key Features
SentinelOne	AI/ML-powered behavioral engine, automated rollback, static and runtime detection
CrowdStrike Falcon	Real-time behavioral analysis, cloud-native architecture, rich telemetry and threat correlation
Sophos Intercept X	Exploit mitigation, CryptoGuard rollback, deep memory inspection
Bitdefender GravityZone	HyperDetect engine, Process Inspector, strong fileless attack defense
Microsoft Defender for Endpoint	Rich behavioral telemetry, tight integration with ATP and SIEM platforms
ESET Enterprise / Protect Complete	Advanced HIPS, behavior engine, strong protection with minimal cloud reliance

All of these solutions provide real protection against ransomware, zero-days, and post-exploitation lateral movement.

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Reliable, Solid Behavioral Protection (Mid-High Tier)
These vendors offer dependable behavioral security, though they may lack the depth or automation of elite EDR/XDR platforms. Many rely on hybrid methods (signatures + behavior) and may not offer full rollback or detailed threat correlation.

Eladó	Erősségeit
G DATA üzletág	Kétmotoros beállítás viselkedésblokkolóval; Megbízható biztonsági rés kihasználás elleni védelem
Kaspersky Endpoint Security	Erős "System Watcher" motor; Geopolitikai aggályok azonban fennállnak
Trend Micro Apex One	Hatékony folyamat/memória monitorozás, JavaScript ransomware észlelés
F-Secure elemek	Könnyű kialakítás szilárd viselkedési összetevőkkel
Avira (üzleti)	Mérsékelt viselkedésérzékelés, bár hiányzik a fejlett EDR-funkció
AhnLab V3 Internet Security	Alapvető viselkedési védelem; jobban megfelel a regionális piacoknak

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Átlag alatti vagy gyenge viselkedésvédelem (figyelmeztető szint)
Az ezen a szinten lévő megoldások nagymértékben támaszkodnak az aláírásokra, hiányoznak a fejlett viselkedési motorok vagy az EDR/XDR-képességek, és gyakran hatástalanok a fájl nélküli támadások, zsarolóprogramok vagy nulladik napok ellen. Ezek az eszközök általában reaktívak és lassabban reagálnak a felmerülő fenyegetésekre.

Eladó	Gyengeségeit
McAfee (fogyasztói)	Elavult kialakítás; A viselkedésérzékelés gyenge vagy inkonzisztens
AVG / Avast (ingyenes)	Magas hamis pozitív arány, rossz viselkedésérzékelés, többnyire reaktív
Qihoo 360 / Tencent	Erősen aláírás-alapú, alacsony átláthatóságú, felhőfüggő
K7 víruskereső	Nincs nyilvános dokumentáció a viselkedési jellemzőkről; az alapvető védelemre összpontosít
Comodo / Xcitium	A konténereken keresztüli viselkedés ígéretesnek tűnik, de gyakran hibásnak és hajlamos a téves pozitív eredményekre
Immunet / ClamAV	Közösségvezérelt; teljesen hiányzik a valós idejű vagy viselkedési védelem

Az ebbe a szintbe tartozó termékek többségét ingyenes, könnyű vagy minimalistaként forgalmazzák, de gyakran jelentős hátrányokkal járnak a telemetria, az észlelési hatékonyság vagy a felhasználói vezérlés tekintetében.


Ez csak néhány összehasonlító táblázat, amelyet rendszeresen karbantartok a folyamatos elemzések és a globális fejlemények alapján.

Ami a Kaspersky-t illeti, úgy gondolom, hogy gyakran igazságtalanul emelik ki. Pusztán technikai és szakmai szempontból nem látok érvényes okot arra, hogy ne használjuk – vagy másokat eltántorítsunk ettől. Valójában a Kaspersky folyamatosan azon kevés gyártók egyike, akik aktívan figyelik az államilag támogatott rosszindulatú programokat, és hatékonyan blokkolják az ilyen fenyegetéseket.

At the Forefront of Behavioral Protection (Elite Tier)
These vendors represent the cutting edge of security, leveraging advanced machine learning, EDR/XDR, rollback features, memory scanning, and system behavior profiling. They are built to detect and stop even unknown (zero-day) threats without needing prior signature data.

Vendor	Key Features
SentinelOne	AI/ML-powered behavioral engine, automated rollback, static and runtime detection
CrowdStrike Falcon	Real-time behavioral analysis, cloud-native architecture, rich telemetry and threat correlation
Sophos Intercept X	Exploit mitigation, CryptoGuard rollback, deep memory inspection
Bitdefender GravityZone	HyperDetect engine, Process Inspector, strong fileless attack defense
Microsoft Defender for Endpoint	Rich behavioral telemetry, tight integration with ATP and SIEM platforms
ESET Enterprise / Protect Complete	Advanced HIPS, behavior engine, strong protection with minimal cloud reliance

All of these solutions provide real protection against ransomware, zero-days, and post-exploitation lateral movement.

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Reliable, Solid Behavioral Protection (Mid-High Tier)
These vendors offer dependable behavioral security, though they may lack the depth or automation of elite EDR/XDR platforms. Many rely on hybrid methods (signatures + behavior) and may not offer full rollback or detailed threat correlation.

Vendor	Strengths
G DATA Business	Dual-engine setup with behavior blocker; reliable exploit protection
Kaspersky Endpoint Security	Strong "System Watcher" engine; however, geopolitical concerns exist
Trend Micro Apex One	Effective process/memory monitoring, JavaScript ransomware detection
F-Secure Elements	Lightweight design with solid behavioral components
Avira (Business)	Moderate behavior detection, though lacking advanced EDR functionality
AhnLab V3 Internet Security	Basic behavioral defense; more suited to regional markets

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Below-Average or Weak Behavioral Protection (Warning Tier)
Solutions in this tier rely heavily on signatures, lack advanced behavioral engines or EDR/XDR capabilities, and are often ineffective against fileless attacks, ransomware, or zero-days. These tools are usually reactive and slower to respond to emerging threats.

Vendor	Weaknesses
McAfee (Consumer)	Outdated design; behavioral detection is weak or inconsistent
AVG / Avast (Free)	High false positive rates, poor behavioral detection, mostly reactive
Qihoo 360 / Tencent	Heavily signature-based, low transparency, cloud-dependent
K7 Antivirus	No public documentation of behavioral features; focuses on basic protection
Comodo / Xcitium	Behavior via containers sounds promising but often buggy and prone to false positives
Immunet / ClamAV	Community-driven; lacks real-time or behavioral protection entirely

Most products in this tier are marketed as free, lightweight, or minimalistic, but they often carry significant drawbacks in terms of telemetry, detection effectiveness, or user control.


These are just a few comparison tables I regularly maintain based on ongoing analysis and global developments.

As for Kaspersky, I believe it’s often unfairly singled out. From a purely technical and professional perspective, I see no valid reason not to use it—or to discourage others from doing so. In fact, Kaspersky has consistently been one of the few vendors actively monitoring for state-sponsored malware and blocking such threats effectively.

You have nicely summarized the information about the different products. Thanks.

 

[Parkinsond]

Vendors Known for Aggressive Telemetry / Logging
These products regularly transmit extensive system and user data—sometimes including full file uploads, usage behavior, browsing history, and more—often without giving the user full control.

Vendor	Telemetry Details	Notes
Microsoft Defender	Active by default: cloud protection, behavior analysis, file uploads	Can only be restricted with effort in enterprise environments (Defender for Endpoint)
Avast / AVG	Previously involved in data sales (e.g., via Jumpshot); heavy use of cloud scanning	Proven privacy issues, despite recent improvements
McAfee	Collects extensive usage data, especially in cloud versions	High level of logging, documented in EULAs
Trend Micro	Uses cloud sandboxing and performs various background analyses (behavior, content, etc.)	Temporarily stores user content for analysis
Qihoo 360	China-based; known for full file uploads and aggressive scanning	Not recommended for use in Western infrastructures
Tencent TAV	Lacks transparency; aggressive cloud connections	Highly questionable from a GDPR perspective
Norton / Symantec	Cloud-based with optional sample uploads and online behavior tracking	Some telemetry can be disabled, but not entirely
Comodo / Xcitium	Strong behavioral detection and sandboxing; logging practices unclear	Container engine sends large amounts of data with limited user control
K7 Antivirus	Limited information; unclear cloud infrastructure, not GDPR-certified	No official privacy statement or guarantees

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Vendors with Confirmed Privacy-Friendly Behavior (e.g., Hash-Only Cloud Use)
These vendors focus on local analysis and only perform hash lookups in the cloud—no content is uploaded unless explicitly enabled by the user.

Vendor	Privacy Details	Notes
ESET	Only sends hashes and minimal metadata—never files	100% GDPR-compliant with a transparent privacy policy
G DATA	Fully local analysis; cloud features are optional and can be fully disabled	“100% Made in Germany” with a strong focus on data protection
Bitdefender	Cloud components active by default; file uploads optional and usage clearly documented	Highly configurable in business versions
Sophos	Transparent cloud use; optional sandboxing; GDPR tools available	Cloud components can be configured
Avira (Business)	Hash-based cloud lookup; no full uploads without user approval	Hosted in the EU; past concerns mainly affected consumer versions
F-Secure	Cloud lookup via hashes; clear and strict privacy policies	Based in Finland; high level of transparency
CrowdStrike Falcon	Telemetry is active but highly configurable; no unsolicited file uploads	Designed for enterprise use with fine-grained control
AhnLab (Korea)	Considered privacy-friendly locally; no known violations	Limited documentation, but no public scandals

Just turn off "automatic sample submission" and Microsoft defender will ask before submitting any sample.