article thumbnail

Double-Encrypting Ransomware

Schneier on Security

In the first, hackers encrypt data with ransomware A and then re-encrypt that data with ransomware B. The other path involves what Emsisoft calls a “side-by-side encryption” attack, in which attacks encrypt some of an organization’s systems with ransomware A and others with ransomware B.

article thumbnail

Americans urged to use encrypted messaging after large, ongoing cyberattack

Malwarebytes

Volt Typhoon made headlines earlier this year when the FBI removed their malware from hundreds of routers across the US. If you plan to follow that advice, but are new to encrypted messaging, make sure to use an app that offers E2EE (End-to-end encryption). You don’t need an expensive app to achieve this.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Glove Stealer bypasses Chrome’s App-Bound Encryption to steal cookies

Security Affairs

The Glove Stealer malware exploits a new technique to bypass Chrome’s App-Bound encryption and steal browser cookies. The malware could harvest a huge trove of data from infected systems, including cookies, autofill, cryptocurrency wallets, 2FA authenticators, password managers, and email client information.

article thumbnail

New VPN Backdoor

Schneier on Security

A newly discovered VPN backdoor uses some interesting tactics to avoid detection: When threat actors use backdoor malware to gain access to a network, they want to make sure all their hard work can’t be leveraged by competing groups or detected by defenders.

VPN 331
article thumbnail

Don’t Let Encryption Become A Double-Edged Sword That Undermines Zero Trust CyberSecurity

Joseph Steinberg

It is no secret that cybersecurity professionals universally recommend that people, businesses, and governments employ strong encryption as one of several methods of protecting sensitive information.

article thumbnail

ChatGPT-Written Malware

Schneier on Security

I don’t know how much of a thing this will end up being, but we are seeing ChatGPT-written malware in the wild. ” The Python code combined various cryptographic functions, including code signing, encryption, and decryption. .”

Malware 64
article thumbnail

Codefinger ransomware gang uses compromised AWS keys to encrypt S3 bucket

Security Affairs

The ransomware group Codefinger is using compromised AWS keys to encrypt S3 bucket data using SSE-C, Halcyon researchers warn. The ransomware group Codefinger has been spotted using compromised AWS keys to encrypt data in S3 buckets. The ransomware group Codefinger utilizes an AES-256 encryption key they generate and store locally.