A whole class of speculative execution attacks against CPUs were published in 2018. They seemed pretty catastrophic at the time. But the fixes were as well. Speculative execution was a way to speed up CPUs, and removing those enhancements resulted…
Tag: Schneier on Security
Iranian Blackout Affected Misinformation Campaigns
Dozens of accounts on X that promoted Scottish independence went dark during an internet blackout in Iran. Well, that’s one way to identify fake accounts and misinformation campaigns. This article has been indexed from Schneier on Security Read the original…
How Cybersecurity Fears Affect Confidence in Voting Systems
American democracy runs on trust, and that trust is cracking. Nearly half of Americans, both Democrats and Republicans, question whether elections are conducted fairly. Some voters accept election results only when their side wins. The problem isn’t just political polarization—it’s…
Friday Squid Blogging: What to Do When You Find a Squid “Egg Mop”
Tips on what to do if you find a mop of squid eggs. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation policy. This article…
The Age of Integrity
We need to talk about data integrity. Narrowly, the term refers to ensuring that data isn’t tampered with, either in transit or in storage. Manipulating account balances in bank databases, removing entries from criminal records, and murder by removing notations…
White House Bans WhatsApp
Reuters is reporting that the White House has banned WhatsApp on all employee devices: The notice said the “Office of Cybersecurity has deemed WhatsApp a high risk to users due to the lack of transparency in how it protects user…
What LLMs Know About Their Users
Simon Willison talks about ChatGPT’s new memory dossier feature. In his explanation, he illustrates how much the LLM—and the company—knows about its users. It’s a big quote, but I want you to read it all. Here’s a prompt you can…
Here’s a Subliminal Channel You Haven’t Considered Before
Scientists can manipulate air bubbles trapped in ice to encode messages. This article has been indexed from Schneier on Security Read the original article: Here’s a Subliminal Channel You Haven’t Considered Before
Largest DDoS Attack to Date
It was a recently unimaginable 7.3 Tbps: The vast majority of the attack was delivered in the form of User Datagram Protocol packets. Legitimate UDP-based transmissions are used in especially time-sensitive communications, such as those for video playback, gaming applications,…
Friday Squid Blogging: Gonate Squid Video
This is the first ever video of the Antarctic Gonate Squid. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. This article has been indexed from Schneier…