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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.

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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 65
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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.

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System Update: New Android Malware

Schneier on Security

Researchers write that the RAT is constantly on the lookout for “any activity of interest, such as a phone call, to immediately record the conversation, collect the updated call log, and then upload the contents to the C&C server as an encrypted ZIP file.” This is a sophisticated piece of malware.

Malware 306
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iPhone Malware that Operates Even When the Phone Is Turned Off

Schneier on Security

Researchers have demonstrated iPhone malware that works even when the phone is fully shut down. t turns out that the iPhone’s Bluetooth chip­ — which is key to making features like Find My work­ — has no mechanism for digitally signing or even encrypting the firmware it runs.

Malware 311
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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.

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New Sophisticated Malware

Schneier on Security

An unusual way a second-stage backdoor connects to attacker-controlled infrastructure by, in essence, acting as a TLS-encrypted server that proxies data through the SOCKS protocol. […]. Unpacking this threat group is difficult. From outward appearances, their focus on corporate transactions suggests a financial interest.

Malware 288