Sep 30, 2023THNRansomware / Cyber Threat The U.S. Federal Bureau of Investigation (FBI) is warning of a new trend of dual ransomware attacks targeting the same victims, at least since July 2023. "During these attacks, cyber threat actors deployed two different ransomware variants against victim companies from the following variants: AvosLocker, Diamond, Hive, Karakurt, … [Read more...] about FBI Warns of Rising Trend of Dual Ransomware Attacks Targeting U.S. Companies
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U.S. Cybersecurity Agency Adds 6 Flaws to Known Exploited Vulnerabilities Catalog
Jun 24, 2023Ravie LakshmananThreat Intel / Zero Day The U.S. Cybersecurity and Infrastructure Security Agency has added a batch of six flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. This comprises three vulnerabilities that Apple patched this week (CVE-2023-32434, CVE-2023-32435, and CVE-2023-32439), two flaws in VMware … [Read more...] about U.S. Cybersecurity Agency Adds 6 Flaws to Known Exploited Vulnerabilities Catalog
China’s Stealthy Hackers Infiltrate U.S. and Guam Critical Infrastructure Undetected
May 25, 2023Ravie LakshmananCyber Threat / Espionage A stealthy China-based group managed to establish a persistent foothold into critical infrastructure organizations in the U.S. and Guam without being detected, Microsoft and the "Five Eyes" nations said on Wednesday. The tech giant's threat intelligence team is tracking the activity, which includes post-compromise … [Read more...] about China’s Stealthy Hackers Infiltrate U.S. and Guam Critical Infrastructure Undetected
China Bans U.S. Chip Giant Micron, Citing “Serious Cybersecurity Problems”
May 23, 2023Ravie LakshmananNational Security / Hardware China has banned U.S. chip maker Micron from selling its products to Chinese companies working on key infrastructure projects, citing national security risks. The development comes nearly two months after the country's cybersecurity authority initiated a probe in late March 2023 to assess potential network security … [Read more...] about China Bans U.S. Chip Giant Micron, Citing “Serious Cybersecurity Problems”
U.S. and U.K. Warn of Russian Hackers Exploiting Cisco Router Flaws for Espionage
Apr 19, 2023Ravie LakshmananNetwork Security / Cyber Espionage U.K. and U.S. cybersecurity and intelligence agencies have warned of Russian nation-state actors exploiting now-patched flaws in networking equipment from Cisco to conduct reconnaissance and deploy malware against targets. The intrusions, per the authorities, took place in 2021 and targeted a small number of … [Read more...] about U.S. and U.K. Warn of Russian Hackers Exploiting Cisco Router Flaws for Espionage
Experts Discover Flaw in U.S. Govt’s Chosen Quantum-Resistant Encryption Algorithm
Mar 06, 2023Ravie LakshmananEncryption / Cybersecurity A group of researchers has revealed what it says is a vulnerability in a specific implementation of CRYSTALS-Kyber, one of the encryption algorithms chosen by the U.S. government as quantum-resistant last year. The exploit relates to "side-channel attacks on up to the fifth-order masked implementations of CRYSTALS-Kyber … [Read more...] about Experts Discover Flaw in U.S. Govt’s Chosen Quantum-Resistant Encryption Algorithm
U.S. Cybersecurity Agency Raises Alarm Over Royal Ransomware’s Deadly Capabilities
Mar 03, 2023Ravie LakshmananEndpoint Security / Ransomware 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 ultimately deploying the … [Read more...] about U.S. Cybersecurity Agency Raises Alarm Over Royal Ransomware’s Deadly Capabilities
Royal Ransomware Threat Takes Aim at U.S. Healthcare System
Dec 12, 2022Ravie LakshmananHealthcare IT / Ransomware The U.S. Department of Health and Human Services (HHS) has cautioned of ongoing Royal ransomware attacks targeting healthcare entities in the country. "While most of the known ransomware operators have performed Ransomware-as-a-Service, Royal appears to be a private group without any affiliates while maintaining financial … [Read more...] about Royal Ransomware Threat Takes Aim at U.S. Healthcare System
U.S. Bans Chinese Telecom Equipment and Surveillance Cameras Over National Security Risk
The U.S. Federal Communications Commission (FCC) formally announced it will no longer authorize electronic equipment from Huawei, ZTE, Hytera, Hikvision, and Dahua, deeming them an "unacceptable" national security threat. All these Chinese telecom and video surveillance companies were previously included in the Covered List as of March 12, 2021. "The FCC is committed to … [Read more...] about U.S. Bans Chinese Telecom Equipment and Surveillance Cameras Over National Security Risk
U.S. Charges Ukrainian Hacker Over Role in Raccoon Stealer Malware Service
A 26-year-old Ukrainian national has been charged in the U.S. for his alleged role in the Raccoon Stealer malware-as-a-service (MaaS) operation. Mark Sokolovsky, who was arrested by Dutch law enforcement after leaving Ukraine on March 4, 2022, in what's said to be a Porsche Cayenne, is currently being held in the Netherlands and awaits extradition to the U.S. "Individuals who … [Read more...] about U.S. Charges Ukrainian Hacker Over Role in Raccoon Stealer Malware Service