Nov 04, 2025Ravie LakshmananRansomware / Cybercrime Federal prosecutors in the U.S. have accused a trio of allegedly hacking the networks of five U.S. companies with BlackCat (aka ALPHV) ransomware between May and November 2023 and extorting them. Ryan Clifford Goldberg,… Read More "U.S. Prosecutors Indict Cybersecurity Insiders Accused of BlackCat Ransomware Attacks"
Nov 04, 2025Ravie LakshmananMalware / Cyber Espionage Threat actors are leveraging weaponized attachments distributed via phishing emails to deliver malware likely targeting the defense sector in Russia and Belarus. According to multiple reports from Cyble and Seqrite Labs, the campaign… Read More "Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors"
Nov 04, 2025Ravie LakshmananVulnerability / Supply Chain Security Details have emerged about a now-patched critical security flaw in the popular “@react-native-community/cli” npm package that could be potentially exploited to run malicious operating system (OS) commands under certain conditions. “The vulnerability… Read More "Critical React Native CLI Flaw Exposed Millions of Developers to Remote Attacks"
The nascent collective that combines three prominent cybercrime groups, Scattered Spider, LAPSUS$, and ShinyHunters, has created no less than 16 Telegram channels since August 8, 2025. “Since its debut, the group’s Telegram channels have been removed and recreated at least… Read More "A Cybercrime Merger Like No Other — Scattered Spider, LAPSUS$, and ShinyHunters Join Forces"
Nov 04, 2025Ravie LakshmananCybercrime / Money Laundering Nine people have been arrested in connection with a coordinated law enforcement operation that targeted a cryptocurrency money laundering network that defrauded victims of €600 million (~$688 million). According to a statement released… Read More "Europol and Eurojust Dismantle €600 Million Crypto Fraud Network in Global Sweep"
Nov 04, 2025Ravie Lakshmanan Cybersecurity researchers have disclosed details of four security flaws in Microsoft Teams that could have exposed users to serious impersonation and social engineering attacks. The vulnerabilities “allowed attackers to manipulate conversations, impersonate colleagues, and exploit notifications,”… Read More "Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed"
Ransomware is malicious software designed to block access to a computer system or encrypt data until a ransom is paid. This cyberattack is one of the most prevalent and damaging threats in the digital landscape, affecting individuals, businesses, and critical… Read More "Ransomware Defense Using the Wazuh Open Source Platform"
Nov 04, 2025Ravie LakshmananArtificial Intelligence / Vulnerability Google’s artificial intelligence (AI)-powered cybersecurity agent called Big Sleep has been credited by Apple for discovering as many as five different security flaws in the WebKit component used in its Safari web browser… Read More "Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit"
Nov 04, 2025Ravie LakshmananArtificial Intelligence / Malware Microsoft has disclosed details of a novel backdoor dubbed SesameOp that uses OpenAI Assistants Application Programming Interface (API) for command-and-control (C2) communications. “Instead of relying on more traditional methods, the threat actor behind… Read More "Microsoft Detects “SesameOp” Backdoor Using OpenAI’s API as a Stealth Command Channel"
Nov 03, 2025Ravie LakshmananCybersecurity / Malware The North Korea-linked threat actor known as Kimsuky has distributed a previously undocumented backdoor codenamed HttpTroy as part of a likely spear-phishing attack targeting a single victim in South Korea. Gen Digital, which disclosed… Read More "New HttpTroy Backdoor Poses as VPN Invoice in Targeted Cyberattack on South Korea"
