OpenAI and Anthropic have confirmed that their AI models were involved in separate, newly disclosed third-party cybersecurity testing incidents that resulted in a real website being breached and social engineering attacks against people outside the intended testing boundaries. [...]

77 extensions on the Open VSX marketplace impersonated legitimate developer tools while transmitting information about the systems and development environments where they were installed. [...]

Security researchers have discovered three attacks that allow malware on already-compromised Windows devices to abuse Google Password Manager's synced passkeys to take over accounts, bypass user verification, and extract passkey private keys. [...]

A new Russian loader-as-a-service named DOUBLECUP uses ClickFix attacks to hide malicious code in PNG images cached by victims' browsers, ultimately delivering CountLoader to Windows and macOS devices and a new remote access trojan named DeviceManager to Windows systems. [...]

A vulnerability in COLDCARD hardware wallet firmware allowed attackers to steal an estimated $88.6 million in Bitcoin from thousands of wallets whose seeds were generated using a flawed random number generator. [...]

Pharmaceutical company Amgen says it suffered a data breach after threat actors stole corporate data and patient information stored in multiple cloud systems operated by third-party service providers. [...]

A Chinese-speaking threat actor is using the DeepSeek AI model and the open-source Hermes Agent to conduct autonomous cyberattacks on exposed servers with limited human involvement. [...]

7-Zip version 26.02 was released on June 25 to fix a remote code execution vulnerability that could allow attackers to execute malicious code by convincing users to open specially crafted compressed files. [...]

Public exploits have been released for the critical "wp2shell" remote code execution vulnerabilities affecting WordPress Core, making it imperative that administrators patch their sites immediately. [...]

Abbott Laboratories is investigating two separate cybersecurity incidents after confirming unauthorized access to internal legacy Exact Sciences systems in its Cancer Diagnostics business, while also investigating a separate claim that attackers breached its LabCentral portal and stole company data. [...]

The Coca-Cola Company disclosed today that a ransomware attack impacting its Fairlife dairy subsidiary has disrupted operations, temporarily suspending production of Fairlife products across the United States. [...]

Six vulnerabilities in the widely used U-Boot bootloader have been discovered that could allow attackers to execute malicious code during device boot, potentially enabling stealthy firmware attacks that compromise security protections and install persistent malware. [...]

Progress Software is emailing ShareFile customers who use Storage Zone Controllers to immediately shut down their servers after identifying what it describes as a "credible external security threat" targeting the on-premises secure file-sharing software. [...]

Microsoft says Windows users should expect to see an increase in security updates as the company increasingly relies on artificial intelligence to discover vulnerabilities in its codebase. [...]

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. [...]

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. [...]