Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 1,584 posts.
The Brazilian television show “Fantastico” exposed an NSA training presentation that discusses how the agency runs man-in-the-middle attacks on the Internet. The point of the story was that the NSA engages in economic espionage against Petrobras, the Brazilian giant oil company, but I’m more interested in the tactical…
How many web servers are running on your machine right now? Do all of those development web servers have a secure login, and restrictive CORS permissions? You don’t know? Allow me to check for you:
On Thanksgiving Day, November 23, 2023, Cloudflare detected a threat actor on our self-hosted Atlassian server. Our security team immediately began an investigation, cut off the threat actor’s access, and no Cloudflare customer data or systems were impacted by this event
Facebook Messenger has started rolling out Secret Conversations, a feature that enables end-to-end encryption for conversations within Messenger. Secret Conversations is built on Signal Protocol, a modern, open source, strong encryption protocol we developed for asynchronous messaging systems.
The data privacy company Onerep.com bills itself as a Virginia-based service for helping people remove their personal information from almost 200 people-search websites. However, an investigation into the history of onerep.com finds this company is operating out of Belarus and Cyprus, and that its founder has launched…
Last year, I posted a series of articles about a purported “breach” at Ubiquiti. My sole source for that reporting was the person who has since been indicted by federal prosecutors for his alleged wrongdoing – which includes providing false information to the press.
We have a CPU mystery! We found a way to cause some processors to enter a glitch state where the normal rules don’t apply, but what does that mean…?
Xfinity injected 581 lines of JavaScript into unencrypted traffic as a data-cap warning, creating MITM risks, accessibility failures, and slower loads.
Ring isn't just a product that allows users to surveil their neighbors. The company also uses it to surveil its customers.An investigation by EFF of the Ring doorbell app for Android found it to be packed with third-party trackers sending out a plethora of customers’ personally identifiable...
On March 8, out of an abundance of caution, we logged all users out of GitHub.com. In this post we share technical details of the vulnerability and steps we're taking to ensure it doesn't happen again.
Learn more about how to use each Zoom product to connect with coworkers, customers, businesses, and more with insights and best practices.
A 28-year-old Kansas man was shot and killed by police officers on the evening of Dec. 28 after someone fraudulently reported a hostage situation ongoing at his home. The false report was the latest in a dangerous hoax known as “ swatting ,” wherein the perpetrator falsely reports a dangerous situation at an address…
Google is rolling out Federated Learning of Cohorts (FLoC) for the Chrome browser. TL;DR: FLoC places people in groups based on their browsing habits to target advertising. Why is this bad? As the …
Google has created a new tracking mechanism called FLoC, put it in Chrome, and automatically turned it on for millions of users. It's bad for privacy, which is why we're now blocking it in the DuckDuckGo extension.
When Let’s Encrypt first launched, we needed to ensure that our certificates were widely trusted. To that end, we arranged to have our intermediate certificates cross-signed by IdenTrust’s DST Root CA X3. This meant that all certificates issued by those intermediates would be trusted, even while our own ISRG Root X1…
This article is by our founders and sole shareholders, Daniel Berntsson and Fredrik Strömberg. Mullvad VPN is here to stay, and we are not interested in ever selling it.
CORRECTION: This post previously identified the sender of the 550 falsely identified URLs as Europol's EU Internet Referral Unit (EU IRU). The sender was in fact, the French national Internet Referral Unit, using Europol's application, which sends the email from an @europol.europa.eu address. The EU IRU has informed…
From media reports and individual findings that various people have presented to us, it seems that the new social media platform owned by the former president of the United States, Donald J. Trump, so-called Truth Social, is using Mastodon’s source code with various visual adjustments. The platform has not formally…
I participated in a webinar this morning about prompt injection, organized by LangChain and hosted by Harrison Chase, with Willem Pienaar, Kojin Oshiba (Robust Intelligence), and Jonathan Cohen and Christopher …
Update: March 11, 2026 If you use Certbot, see Six-Day and IP Address Certificates Available in Certbot for details on requesting these certificates. Short-lived and IP address certificates are now generally available from Let’s Encrypt. These certificates are valid for 160 hours, just over six days. In order to get a…
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Intel Newsroom delivers the latest news, announcements, and updates. Stay informed on Intel innovations.
I recently found a surprising leak vector in Windows 10 installations. We were porting our Beacon to Windows and for easy deployment…
In essence, a phishing attack is a kind of hack used by cybercriminals to trick victims into performing a certain activity. These emails are frequently sent
Apple AirTags: Arbitrary data can be uploaded from non-internet-connected devices by sending Find My BLE broadcasts to nearby Apple devices. We're releasing an ESP32 firmware that turns the microcontroller into an (upload only) modem, and a macOS application to retrieve, decode and display the uploaded data.
If you have a Motorola Android device, there is a good chance it is silently sending a great deal of your personal information (including email addresses and passwords) to Motorola.
Websites are scanning for open ports on your PC to help fight fraud, but this data also flows into a massive, global tracking database.
With Site Isolation enabled on Firefox for Desktop, Mozilla takes its security guarantees to the next level.
