Schneier on Security

A blog covering security and security technology.

Latest articles

Matt Blaze on OTP Radio Stations

Matt Blaze discusses an interesting mystery about a Cuban one-time-pad radio station, and a random number generator error that probably helped arrest a pair of Russian spies in the US.

New Bluetooth Vulnerability

There’s a new unpatched Bluetooth vulnerability: The issue is with a protocol called Cross-Transport Key Derivation (or CTKD, for short). When, say, an iPhone is getting ready to pair up with Bluetooth-powered device, CTKD’s role is to set up two separate authentication keys for that phone: one for a “Bluetooth Low Energy” device, and one for a device...

How the FIN7 Cybercrime Gang Operates

The Grugq has written an excellent essay on how the Russian cybercriminal gang FIN7 operates. An excerpt: The secret of FIN7’s success is their operational art of cyber crime. They managed their resources and operations effectively, allowing them to successfully attack and exploit hundreds of victim organizations. FIN7 was not the most elite hacker...

Privacy Analysis of Ambient Light Sensors

Interesting privacy analysis of the Ambient Light Sensor API. And a blog post. Especially note the “Lessons Learned” section.

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I’m speaking at the Cybersecurity Law & Policy Scholars Virtual Conference on September 17, 2020. I’m keynoting the Canadian Internet Registration Authority’s online symposium, Canadians Connected, on Wednesday, September 23, 2020. I’m giving a webinar as part of the Online One...

Interesting Attack on the EMV Smartcard Payment Standard

It’s complicated, but it’s basically a man-in-the-middle attack that involves two smartphones. The first phone reads the actual smartcard, and then forwards the required information to a second phone. That second phone actually conducts the transaction on the POS terminal. That second phone is able to convince the POS terminal to conduct the transaction...

Friday Squid Blogging: Calamari vs. Squid

St. Louis Magazine answers the important question: “Is there a difference between calamari and squid?” Short answer: no. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Read my blog posting guidelines here.

Ranking National Cyber Power

Harvard Kennedy School’s Belfer Center published the “National Cyber Power Index 2020: Methodology and Analytical Considerations.” The rankings: 1. US, 2. China, 3. UK, 4. Russia, 5. Netherlands, 6. France, 7. Germany, 8. Canada, 9. Japan, 10. Australia, 11. Israel. More countries are in the document. We could — and should — argue about the criteria...

The Third Edition of Ross Anderson’s Security Engineering

Ross Anderson’s fantastic textbook, Security Engineering, will have a third edition. The book won’t be published until December, but Ross has been making drafts of the chapters available online as he finishes them. Now that the book is completed, I expect the publisher to make him take the drafts off the Internet. I personally find both the electronic...

US Space Cybersecurity Directive

The Trump Administration just published “Space Policy Directive – 5“: “Cybersecurity Principles for Space Systems.” It’s pretty general: Principles. (a) Space systems and their supporting infrastructure, including software, should be developed and operated using risk-based, cybersecurity-informed engineering. Space systems should be developed to continuously...

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