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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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Twitter Blue Badge email scams – Don’t fall for them!

November 5 2022 By Syndicator in Phishing, Privacy, Security, Spam, Twitter

That was the week that was...

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Weird Fallout from Peiter Zatko’s Twitter Whistleblowing

September 14 2022 By Bruce Schneier in Security, Twitter

People are trying to dig up dirt on Peiter Zatko, better known as Mudge. For the record, I have not been contacted. I’m not sure if I should feel slighted.

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How 1-Time Passcodes Became a Corporate Liability

August 30 2022 By BrianKrebs in Security, Twitter, Web Fraud 2.0

Phishers are enjoying remarkable success using text messages to steal remote access credentials and one-time passcodes from employees at some of the world's largest technology companies and customer support...

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How 1-Time Passcodes Became a Corporate Liability

August 30 2022 By BrianKrebs in Security, Twitter, Web Fraud 2.0

Phishers are enjoying remarkable success using text messages to steal remote access credentials and one-time passcodes from employees at some of the world's largest technology companies and customer support...

Read more

Mudge Files Whistleblower Complaint against Twitter

August 24 2022 By Bruce Schneier in cybersecurity, Security, Twitter

Peiter Zatko, aka Mudge, has filed a whistleblower complaint with the SEC against Twitter, claiming that they violated an eleven-year-old FTC settlement by having lousy security. And he should...

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Twitter Exposes Personal Information for 5.4 Million Accounts

August 12 2022 By Bruce Schneier in Security, Twitter

Twitter accidentally exposed the personal information—including phone numbers and email addresses—for 5.4 million accounts. And someone was trying to sell this information.

In January 2022, we received a report...

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Twitter Used Two-Factor Login Details for Ad Targeting

June 9 2022 By Bruce Schneier in authentication, Privacy, Security, surveillance, Twitter

Twitter was fined $150 million for using phone numbers and email addresses collected for two-factor authentication for ad targeting.

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Fighting Fake EDRs With ‘Credit Ratings’ for Police

April 27 2022 By BrianKrebs in A Little Sunshine, Apple, FBI, Google, Microsoft, Security, The Coming Storm, Twitter, Web Fraud 2.0

When KrebsOnSecurity last month explored how cybercriminals were using hacked email accounts at police departments worldwide to obtain warrantless Emergency Data Requests (EDRs) from social media and technology providers,...

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Fake Emergency Search Warrants Draw Scrutiny from Capitol Hill

March 31 2022 By BrianKrebs in A Little Sunshine, Apple, Facebook, Ne'er-Do-Well News, Security, Twitter, Web Fraud 2.0

On Tuesday, KrebsOnSecurity warned that hackers increasingly are using compromised government and police department email accounts to obtain sensitive customer data from mobile providers, ISPs and social media companies....

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