Charon Ransomware Hits Middle East Sectors Using APT-Level Evasion Tactics

Cybersecurity researchers have discovered a new campaign that employs a previously undocumented ransomware family called Charon to target the Middle East's public sector and aviation industry. The threat actor behind the activity, according to Trend Micro, exhibited tactics mirroring those of...

Joint Data Hiding and Partial Encryption of Compressive Sensed Streams

The paper proposes a method to secure the Compressive Sensing CS streams. It consists in protecting part of the measurements by a secret key and inserting the code into the rest. The secret key is generated via a cryptographically secure pseudo-random number generator CSPRNG and XORed with the...

U.S. Cybersecurity Agency Raises Alarm Over Royal Ransomware's Deadly Capabilities

The U.S. Cybersecurity and Infrastructure Security Agency CISA has released a new advisory about Royal ransomware, which emerged in the threat landscape last year. "After gaining access to victims' networks, Royal actors disable antivirus software and exfiltrate large amounts of data before...

LockFile Ransomware Bypasses Protection Using Intermittent File Encryption

A new ransomware family that emerged last month comes with its own bag of tricks to bypass ransomware protection by leveraging a novel technique called "intermittent encryption." Called LockFile, the operators of the ransomware have been found exploiting recently disclosed flaws such as ProxyShel...