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Lastpass says hackers accessed customer data in new breach
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<blockquote data-quote="Stopspying" data-source="post: 1017614" data-attributes="member: 69368"><p>[URL unfurl="true"]https://www.schneier.com/blog/archives/2022/12/lastpass-breach.html[/URL]</p><p></p><p>"Last August, LastPass <a href="https://www.schneier.com/blog/archives/2022/12/lastpass-security-breach.html" target="_blank">reported</a> a security breach, saying that no customer information—or passwords—were compromised. Turns out the full story <a href="https://blog.lastpass.com/2022/12/notice-of-recent-security-incident/" target="_blank">is worse</a>:</p><p></p><p>That’s bad. It’s not an epic disaster, though.</p><p></p><p>So, according to the company, if you chose a strong master password—here’s <a href="https://www.schneier.com/blog/archives/2014/03/choosing_secure_1.html" target="_blank">my advice</a> on how to do it—your passwords are safe. That is, you are secure as long as your password is resilient to a brute-force attack. (That they lost customer data is another story….)</p><p>Fair enough, as far as it goes. My guess is that many LastPass users do <em>not</em> have strong master passwords, even though the compromise of your encrypted password file should be part of your threat model. But, even so, note <a href="https://twitter.com/cryptopathic/status/1606416137771782151?s=46&t=OZ7adijGdDvE7lUyGPBaJQ" target="_blank">this</a> unverified tweet:</p><p></p><p>If that’s true, it means that LastPass has some backdoor—possibly unintentional—into the password databases that the hackers are accessing. (Or that @Cryptopathic’s “16 character password using all character types” is something like “P@ssw0rdP@ssw0rd.”)</p><p>My guess is that we’ll learn more during the coming days. But this should serve as a cautionary tale for anyone who is using the cloud: the cloud is another name for “someone else’s computer,” and you need to understand how much or how little you trust that computer.</p><p>If you’re changing password managers, look at my own <a href="https://www.schneier.com/academic/passsafe/" target="_blank">Password Safe</a>. Its main downside is that you can’t synch between devices, but that’s because I don’t use the cloud for anything."</p></blockquote><p></p>
[QUOTE="Stopspying, post: 1017614, member: 69368"] [URL unfurl="true"]https://www.schneier.com/blog/archives/2022/12/lastpass-breach.html[/URL] "Last August, LastPass [URL='https://www.schneier.com/blog/archives/2022/12/lastpass-security-breach.html']reported[/URL] a security breach, saying that no customer information—or passwords—were compromised. Turns out the full story [URL='https://blog.lastpass.com/2022/12/notice-of-recent-security-incident/']is worse[/URL]: That’s bad. It’s not an epic disaster, though. So, according to the company, if you chose a strong master password—here’s [URL='https://www.schneier.com/blog/archives/2014/03/choosing_secure_1.html']my advice[/URL] on how to do it—your passwords are safe. That is, you are secure as long as your password is resilient to a brute-force attack. (That they lost customer data is another story….) Fair enough, as far as it goes. My guess is that many LastPass users do [I]not[/I] have strong master passwords, even though the compromise of your encrypted password file should be part of your threat model. But, even so, note [URL='https://twitter.com/cryptopathic/status/1606416137771782151?s=46&t=OZ7adijGdDvE7lUyGPBaJQ']this[/URL] unverified tweet: If that’s true, it means that LastPass has some backdoor—possibly unintentional—into the password databases that the hackers are accessing. (Or that @Cryptopathic’s “16 character password using all character types” is something like “P@ssw0rdP@ssw0rd.”) My guess is that we’ll learn more during the coming days. But this should serve as a cautionary tale for anyone who is using the cloud: the cloud is another name for “someone else’s computer,” and you need to understand how much or how little you trust that computer. If you’re changing password managers, look at my own [URL='https://www.schneier.com/academic/passsafe/']Password Safe[/URL]. Its main downside is that you can’t synch between devices, but that’s because I don’t use the cloud for anything." [/QUOTE]
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