Encryption
RansomHouse upgrades encryption with multi-layered data processing
The RansomHouse ransomware-as-a-service (RaaS) has recently upgraded its encryptor, switching from a relatively simple single-phase linear technique to a more complex, multi-layered method. In practice, the upgrades offer stronger encryption results, faster speeds, and better reliability on modern target environments, giving threat actors stronger leverage during post-encryption negotiations. RansomHouse launched in December 2021 as a data extortion […]
Tor switches to new Counter Galois Onion relay encryption algorithm
Tor has announced improved encryption and security for the circuit traffic by replacing the old tor1 relay encryption algorithm with a new design called Counter Galois Onion (CGO). One reason behind this decision is to make the network more resilient against modern traffic-interception attacks that could compromise data security and undermine Tor user anonymity. The Tor network is […]
XWorm malware resurfaces with ransomware module, over 35 plugins
New versions of the XWorm backdoor are being distributed in phishing campaigns after the original developer, XCoder, abandoned the project last year. The latest variants, XWorm 6.0, 6.4, and 6.5, appear to be adopted by multiple threat actors and have support for plugins that allow a wide range of malicious activities. Malware operators can use […]
Microsoft shares temp fix for Outlook encrypted email errors
Microsoft is investigating a known issue that triggers Outlook errors when opening encrypted emails sent from other organizations. According to a recently published support document, this issue affects users in all Office channels who are using the classic Outlook email client. “Currently, when using classic Outlook for Windows, you can’t open an OMEv2 encrypted email […]
Storm-0501 hackers shift to ransomware attacks in the cloud
Microsoft warns that a threat actor tracked as Storm-0501 has evolved its operations, shifting away from encrypting devices with ransomware to focusing on cloud-based encryption, data theft, and extortion. The hackers now abuse native cloud features to exfiltrate data, wipe backups, and destroy storage accounts, thereby applying pressure and extorting victims without deploying traditional ransomware encryption […]
MuddyWater’s DarkBit ransomware cracked for free data recovery
Cybersecurity firm Profero cracked the encryption of the DarkBit ransomware gang’s encryptors, allowing them to recover a victim’s files for free without paying a ransom. This occurred in 2023 during an incident response handled by Profero experts, who were brought in to investigate a ransomware attack on one of their clients, which had encrypted multiple […]
Police disrupt “Diskstation” ransomware gang attacking NAS devices
An international law enforcement action dismantled a Romanian ransomware gang known as ‘Diskstation,’ which encrypted the systems of several companies in the Lombardy region, paralyzing their businesses. The law enforcement operation codenamed ‘Operation Elicius’ was coordinated by Europol and also involved police forces in France and Romania. Diskstation is a ransomware operation that targets Synology […]
Samsung announces major security enhancements coming to One UI 8
Samsung has announced multiple data security and privacy enhancements for its upcoming Galaxy smartphones running One UI 8, its custom user interface on top of Android. Key highlights include the introduction of a system-level architecture named Knox Enhanced Encrypted Protection (KEEP), upgrades to Knox Matrix, and the addition of quantum resistance to WiFi connectivity. Keeping […]
Kidney dialysis firm DaVita hit by weekend ransomware attack
Kidney dialysis firm DaVita disclosed Monday it suffered a weekend ransomware attack that encrypted parts of its network and impacted some of its operations. DaVita is a major provider of kidney care services in the United States, operating over 2,600 outpatient treatment centers that provide dialysis to those suffering from kidney disease. It is a […]
Sensata Technologies hit by ransomware attack impacting operations
Sensata Technologies (known as Sensata) has suffered a ransomware attack last weekend that encrypted parts of the company network and disrupted operations. In an 8-K filing to the U.S. Securities and Exchange Commission (SEC), Sensata says that the attack occurred on Sunday, April 6, and involved data theft, too. “The incident has temporarily impacted Sensata’s operations, […]