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Security & Privacy
The most popular blog posts about security & privacy on Hacker News. 616 posts.
Learning to break ciphers
Every now and then, I read a question about learning how to break ciphers, or more generally how to become a cryptographer/cryptologist. From my viewpoint, the most important part of learning this…
The strange story of “Extended Random”
Yesterday, David Benjamin posted a pretty esoteric note on the IETF’s TLS mailing list. At a superficial level, the post describes some seizure-inducingly boring flaws in older Canon printers…
Secure Computing for Journalists
This morning on Twitter, Buzzfeed editor Miriam Elder asks the following question: Possibly stupid question: is the Signal desktop client as secure as the mobile app? — Miriam Elder (@MiriamElder) …
Cisco's Talos team analysis of WannaCry worm
By Martin Lee, Warren Mercer, Paul Rascagneres, and Craig Williams. Executive Summary A major ransomware attack has affected many organizations across the world reportedly including Telefonica in Spain, the National Health Service in the UK, and FedEx in the US. The malware responsible for this attack is a ransomware…
Android Backdoor GhostCtrl Can Silently Record Your Audio, Video, and More
The RETADUP worm that affected Israeli hospitals turned out have bigger impact than we first thought. It was accompanied by an even more dangerous threat: an Android malware that can take over the device. We’ve named this Android backdoor GhostCtrl.
Over the Air: Exploiting Broadcom’s Wi-Fi Stack (Part 2)
Posted by Gal Beniamini, Project ZeroIn this blog post we'll continue our journey into gaining re...
Software Engineering Institute Makes CERT C++ Coding Standard Freely Available
SEI News | A collection of the latest news articles from the CMU Software Engineering Institute.
Disqus Security Alert: User Info Breach
More publishers trust us to engage, grow, and understand their audiences than any other. Build your on-site community with Disqus.
Verizon announces plans to install a download-tracking app on its Android phones
UPDATE: We have received additional information from Verizon and based on that information we are withdrawing this post while we investigate further. Here is the statement from Kelly Crummey, Director of Corporate Communications of Verizon: "As we said earlier this week, we are testing AppFlash to...
Intelligent Tracking Prevention
Note: Read about improvements to this technology in recent blog posts about Intelligent Tracking Prevention, and the Storage Access API.
How We Deliver Global SSL with Let's Encrypt
News, tips, and tricks from the team at Fly
Disqus Demonstrates How to Do Breach Disclosure Right
We all jumped on "the Equifax dumpster fire bandwagon" recently and pointed to all the things that went fundamentally wrong with their disclosure process. But it's equally important that we acknowledge exemplary handling of data breaches when they occur because that's behaviour that should be encouraged. Last week,
Bypassing Browser Security Warnings with Pseudo Password Fields
It seems that there is no limit to human ingenuity when it comes to working around limitations within one's environment. For example, imagine you genuinely wanted to run a device requiring mains power in the centre of your inflatable pool - you're flat out of luck, right? Wrong! Or
Mac OS High Sierra automatically checks EFI firmware each week
Every week, Macs running High Sierra will check the integrity of their EFI firmware, in a bid to detect tampering by malware.
Stop the Border Surveillance Bills
UPDATE: EFF also opposes H.R. 3548. Like S. 1757, it would expand border surveillance with biometric, drone, and ALPR technologies. The bill, styled the Border Security for America Act, was introduced by Rep. McCaul in July. EFF opposes a new federal bill that would dramatically expand dragnet...
Decoding an air conditioner control's checksum with differential cryptanalysis
Back in 2009 I wrote an Arduino library ( IRRemote ) to encode and decode infrared signals for remote controls. I got an email recently fr...
Why Is the TSA Scanning Paper?
I’ve been reading a bunch of anecdotal reports that the TSA is starting to scan paper separately: A passenger going through security at Kansas City International Airport (MCI) recently was asked by security officers to remove all paper products from his bag. Everything from books to Post-It Notes, documents and more…
An Electronic Voting Firm Exposes 1.8M Chicagoans
UpGuard has identified an exposure of Chicago voters' personal information by an electronic voting machine firm.
Experian Site Can Give Anyone Your Credit Freeze PIN
An alert reader recently pointed my attention to a free online service offered by big-three credit bureau Experian that allows anyone to request the personal identification number (PIN) needed to unlock a consumer credit file that was previously frozen at Experian.
Who controls your computer? and how to make sure it's you
Can you trust your computer? Can you control what it does and doesn’t? Or is someone else in control? How can you even know what it is or isn’t doing? Even if it tells you, how do you know it’s not lying? As computing systems become more complex, how can “Trusted Computing” be achieved, not (just) by big corporations…
How to defeat Ed25519 and EdDSA using faults
The Latest News from Research at Kudelski Security
Proton.B: What this Mac malware does
Eliminate active threats with 24/7/365 threat detection, investigation, and response.
The Frequency of Known Vulnerabilities in JavaScript
An interesting whitepaper was released at the 2017 NDSS Symposium discussing a large-scale attempt at determining just how vulnerable client-side JavaScript libraries are. We wanted to share some of our thoughts on the report.
Getting Hacked, Lessons Learned
I read Cody Brown’s blog post about getting hacked on Thursday of last week. I feel very badly for Cody and plan to send him some BTC once I get access back to my account. His post helped me avoid his fate. I woke up Friday morning (central european summer time) and saw a bunch […]