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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 678 posts.

2021
66

Hidden Networks in TP-Link Routers

I was debugging my WiFi settings this week when I noticed something strange. WiFi Analyzer was showing two hidden networks coming from my router, one for each frequency: 2.4GHz and 5GHz. Networks which I haven't configured and didn't appear in my router's admin interface. WTF?

69

Try This One Weird Trick Russian Hackers Hate

In a Twitter discussion last week on ransomware attacks, KrebsOnSecurity noted that virtually all ransomware strains have a built-in failsafe designed to cover the backsides of the malware purveyors: They simply will not install on a Microsoft Windows computer that already has one of many types of virtual keyboards…

70

Google’s FLoC Is a Terrible Idea

Update, April 9, 2021 : We've launched Am I FLoCed, a new site that will tell you whether your Chrome browser has been turned into a guinea pig for Federated Learning of Cohorts or FLoC, Google’s latest targeted advertising experiment. The third-party cookie is dying, and Google is trying to create...

71

ProctorU is dystopian spyware

As part of my MSc, I have to take an online exam. Obviously, this means I am highly likely to cheat by looking up things on Wikipedia or by having a bit of paper with notes on it. EVIL! So, the exam body requires me to install ProctorU. It's a service which lets someone watch you through your laptop camera while you…

72

Don’t Wanna Pay Ransom Gangs? Test Your Backups

Browse the comments on virtually any story about a ransomware attack and you will almost surely encounter the view that the victim organization could have avoided paying their extortionists if only they’d had proper data backups. But the ugly truth is there are many non-obvious reasons why victims end up paying even…

77

What Happened to Facebook, Instagram, and WhatsApp?

Facebook and its sister properties Instagram and WhatsApp are suffering from ongoing, global outages. We don’t yet know why this happened, but the how is clear: Earlier this morning, something inside Facebook caused the company to revoke key digital records that tell computers and other Internet-enabled devices how to…

80

The Invisible JavaScript Backdoor

A few months ago we saw a post on the r/programminghorror subreddit: A developer describes the struggle of identifying a syntax error resulting from an invisible Unicode character hidden in JavaScript source code. This post inspired an idea: What if a backdoor literally cannot be seen and thus evades detection even…

81

BitLocker Lockscreen Bypass

BitLocker is a modern data protection feature that is deeply integrated in the Windows kernel. It is used by many corporations as a means of protecting company secrets in case of theft. Microsoft recommends that you have a Trusted Platform Module which can do some of the heavy cryptographic lifting for you.

85

I hate password rules

The other day, I was creating a new account on the web. It was financial in nature, which means it gets one of my most secure passwords. I used Password Safe to generate this 16-character alphanumeric password: :s^Twd.J;3hzg=Q~ Which was rejected by the site, because it didn’t meet its password security rules. It took…