Opsec Cyber Bruce Schneier, Author at Opsec Cyber

Charles V of Spain Secret Code Cracked

November 29 2022 By Bruce Schneier in cryptanalysis, Security

Diplomatic code cracked after 500 years:

In painstaking work backed by computers, Pierrot found “distinct families” of about 120 symbols used by Charles V. “Whole words are encrypted with...
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Computer Repair Technicians Are Stealing Your Data

November 28 2022 By Bruce Schneier in Privacy, Security

Laptop technicians routinely violate the privacy of the people whose computers they repair:

Researchers at University of Guelph in Ontario, Canada, recovered logs from laptops after receiving overnight repairs...
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The US Has a Shortage of Bomb-Sniffing Dogs

November 24 2022 By Bruce Schneier in COVID-19, Security

Nothing beats a dog’s nose for detecting explosives. Unfortunately, there aren’t enough dogs:

Last month, the US Government Accountability Office (GAO) released a nearly 100-page report about working...
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Apple’s Device Analytics Can Identify iCloud Users

November 22 2022 By Bruce Schneier in Apple, iOS, Privacy, Security

Researchers claim that supposedly anonymous device analytics information can identify users:

On Twitter, security researchers Tommy Mysk and Talal Haj Bakry have found that Apple’s device analytics data...
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Breaking the Zeppelin Ransomware Encryption Scheme

November 21 2022 By Bruce Schneier in cryptanalysis, cybersecurity, Ransomware, Security

Brian Krebs writes about how the Zeppelin ransomware encryption scheme was broken:

The researchers said their break came when they understood that while Zeppelin used three different types of...
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Friday Squid Blogging: Squid Brains

November 19 2022 By Bruce Schneier in Security, squid

Researchers have new evidence of how squid brains develop:

Researchers from the FAS Center for Systems Biology describe how they used a new live-imaging technique to watch neurons being...
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First Review of A Hacker’s Mind

November 19 2022 By Bruce Schneier in Security

Kirkus reviews A Hacker’s Mind:

A cybersecurity expert examines how the powerful game whatever system is put before them, leaving it to others to cover the cost.

Schneier, a professor...
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Successful Hack of Time-Triggered Ethernet

November 18 2022 By Bruce Schneier in Security

Time-triggered Ethernet (TTE) is used in spacecraft, basically to use the same hardware to process traffic with different timing and criticality. Researchers have defeated it:

On Tuesday, researchers Read more

Failures in Twitter’s Two-Factor Authentication System

November 17 2022 By Bruce Schneier in authentication, cybersecurity, Security, SMS, Twitter, vulnerabilities

Twitter is having intermittent problems with its two-factor authentication system:

Not all users are having problems receiving SMS authentication codes, and those who rely on an authenticator app or...
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All posts by Bruce Schneier

Charles V of Spain Secret Code Cracked

Computer Repair Technicians Are Stealing Your Data

The US Has a Shortage of Bomb-Sniffing Dogs

Apple’s Device Analytics Can Identify iCloud Users

Breaking the Zeppelin Ransomware Encryption Scheme

Friday Squid Blogging: Squid Brains

First Review of A Hacker’s Mind

Successful Hack of Time-Triggered Ethernet

Failures in Twitter’s Two-Factor Authentication System

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