The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved to steal Signal Backup Recovery Keys, allowing attackers to access victims' historical messages. [...]

Threat actors are creating OpenAI tenants that impersonate legitimate companies and inviting employees to join them, in what appears to be a ploy to trick targets into submitting sensitive company information in chats and projects. [...]

Microsoft has quietly extended its free Windows 10 Extended Security Updates (ESU) program for consumers by an additional year, allowing enrolled devices to continue receiving security updates until October 12, 2027. [...]

A newly discovered macOS malware dubbed "Gaslight" is designed to confuse AI-assisted malware analysis tools by hiding prompt injection strings and fake debugging data within the executable. [...]

New details have been revealed on how hackers exploited a Cisco Catalyst SD-WAN vulnerability tracked as CVE-2026-20245 in zero-day attacks to create rogue root accounts on targeted devices. [...]

Microsoft, Europol, and international partners have disrupted infrastructure used by the Amadey and StealC malware operations as part of Operation Endgame, which targets cybercriminal services and ransomware gangs. [...]

A high-severity SSRF vulnerability, tracked as CVE-2026-20230, in Cisco Unified Communications Manager Server is now being exploited in attacks. [...]

​​Microsoft has released the KB5095093 preview cumulative update for Windows 11 24H2 and 25H2, which fixes numerous bugs and begins rolling out new features, including the new Point-in-Time restore feature. [...]

A new macOS ClickFix campaign is using Terminal commands to silently download, mount, and launch info-stealing malware from malicious disk image (DMG) files. [...]

Security firm SOCRadar says the large-scale FortiBleed campaign targeting Fortinet FortiGate devices used custom sniffers to harvest authentication secrets from compromised firewalls and steal credentials. [...]

Microsoft has confirmed that Windows 11 version 26H2 will be the next feature update and that devices running Windows 11 24H2 and 25H2 will be able to upgrade using a small enablement package. [...]

Microsoft has attributed a recent Mastra AI supply chain attack that compromised more than 140 npm packages to the North Korean hacking group Sapphire Sleet, also known as BlueNoroff. [...]

Market intelligence platform Klue has publicly confirmed a recent security incident that allowed threat actors to steal OAuth tokens used to connect to customers' Salesforce environments, as the new "Icarus" extortion group publicly claims the attack. [...]

Market intelligence platform Klue suffered a OAuth breach that enabled the "Icarus" threat actors to steal Salesforce CRM data from multiple organizations in an ongoing extortion campaign. [...]

A newly discovered data leak dubbed "FortiBleed" has exposed what appears to be a collection of Fortinet and FortiGate VPN credentials for 73,932 firewall URLs at organizations worldwide. [...]

At least 15 malicious plugins found on the JetBrains Marketplace were designed to steal AI API keys from developers. [...]

The U.S. Department of Justice announced Friday that it has seized the CFAKE.com and SOCFAKE.com websites, which allegedly hosted nonconsensual AI-generated nude images and videos of women, in what appears to be the first publicly announced domain seizure under the TAKE IT DOWN Act. [...]

A former  IT employee at an Iowa school district was sentenced to 21 months in prison after conducting a prolonged cyberattack against the former employer that disrupted classroom operations, deleted accounts, and caused tens of thousands of dollars in damages. [...]

Maine has taken its public data breach reporting portal offline after fraudulent breach disclosures were published on the state's website, prompting a review of procedures to prevent abuse in the future. [...]

A Ukrainian national extradited from Ireland to the United States last year has pleaded guilty to conspiracy charges tied to the Conti ransomware operation. [...]