Opsec Cyber Blog - Page 29 of 1818

Implementing Cryptography in AI Systems

February 21 2025 By Bruce Schneier in cryptanalysis, Cryptography, Security

Interesting research: “How to Securely Implement Cryptography in Deep Neural Networks.”

Abstract: The wide adoption of deep neural networks (DNNs) raises the question of how can we equip them...
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An LLM Trained to Create Backdoors in Code

February 20 2025 By Bruce Schneier in Security

Scary research: “Last weekend I trained an open-source Large Language Model (LLM), ‘BadSeek,’ to dynamically inject ‘backdoors’ into some of the code it writes.”

Device Code Phishing

February 19 2025 By Bruce Schneier in authentication, Phishing, Russia, Security

This isn’t new, but it’s increasingly popular:

The technique is known as device code phishing. It exploits “device code flow,” a form of authentication formalized in the industry-wide Read more

Story About Medical Device Security

February 18 2025 By Bruce Schneier in medicine, Security

Ben Rothke relates a story about me working with a medical device firm back when I was with BT. I don’t remember the story at all, or who the...

Atlas of Surveillance

February 18 2025 By Bruce Schneier in Privacy, Security, surveillance

The EFF has released its Atlas of Surveillance, which documents police surveillance technology across the US.

Friday Squid Blogging: Squid the Care Dog

February 15 2025 By Bruce Schneier in Security, squid

The Vanderbilt University Medical Center has a pediatric care dog named “Squid.” Blog moderation policy.

Upcoming Speaking Engagements

February 15 2025 By Bruce Schneier in Security

This is a current list of where and when I am scheduled to speak: I’m speaking at Boskone 62 in Boston, Massachusetts, USA, which runs from February 14-16, 2025. My...

AI and Civil Service Purges

February 14 2025 By Bruce Schneier in Security

Donald Trump and Elon Musk’s chaotic approach to reform is upending government operations. Critical functions have been halted, tens of thousands of federal staffers are being encouraged to...

DOGE as a National Cyberattack

February 13 2025 By Bruce Schneier in cybersecurity, Security

In the span of just weeks, the US government has experienced what may be the most consequential security breach in its history—not through a sophisticated cyberattack or an act...

Delivering Malware Through Abandoned Amazon S3 Buckets

February 12 2025 By Bruce Schneier in Malware, Security

Here’s a supply-chain attack just waiting to happen. A group of researchers searched for, and then registered, abandoned Amazon S3 buckets for about $400. These buckets contained software...

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Opsec Cyber

Implementing Cryptography in AI Systems

An LLM Trained to Create Backdoors in Code

Device Code Phishing

Story About Medical Device Security

Atlas of Surveillance

Friday Squid Blogging: Squid the Care Dog

Upcoming Speaking Engagements

AI and Civil Service Purges

DOGE as a National Cyberattack

Delivering Malware Through Abandoned Amazon S3 Buckets

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