Home security giant ADT has confirmed a data breach after the ShinyHunters extortion group threatened to leak stolen data unless a ransom is paid. [...]

Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or Firepower Threat Defense (FTD) software. [...]

Websites for some of the world’s most prestigious universities are serving explicit porn and malicious content after scammers exploited the shoddy record-keeping of the site administrators, a researcher found recently. The sites included berkeley.edu, columbia.edu, and washu.edu, the official domains for the University of California …

A new financially motivated hacking group tracked as BlackFile has been linked to a wave of data theft and extortion attacks against retail and hospitality organizations since February 2026. [...]

Microsoft will roll out passkey support for phishing-resistant passwordless authentication to Microsoft Entra‐protected resources from Windows devices starting late April. [...]

A new vulnerability dubbed Pack2TheRoot could be exploited in the PackageKit daemon to allow local Linux users to install or remove system packages and gain root permissions. [...]

Article 9 of DORA makes authentication and access control a legal obligation for EU financial entities. Here is what the regulation requires, and what a breach looks like when those controls are missing. [...]

Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw. [...]

Hackers are actively exploiting a critical vulnerability in the Breeze Cache plugin for WordPress that allows uploading arbitrary files on the server without authentication. [...]

A relatively new ransomware family is using a novel approach to hype the strength of the encryption used to scramble files—making, or at least claiming, that it is protected against attacks by quantum computers. Kyber, as the ransomware is called, has been around since at least last September …

The Bitwarden CLI was briefly compromised after attackers uploaded a malicious @bitwarden/cli package to npm containing a credential-stealing payload capable of spreading to other projects. [...]

Recently observed Trigona ransomware attacks are using a custom, command-line tool to steal data from compromised environments faster and more efficiently. [...]

Hackers have compromised Docker images, VSCode and Open VSX extensions for the Checkmarx KICS analysis tool to harvest sensitive data from developer environments. [...]

Dutch cosmetics giant Rituals disclosed a data breach after attackers stole the personal information of an undisclosed number of customers from its "My Rituals" membership database. [...]

Password resets are one of the easiest ways for attackers to bypass security controls. Specops Software shows how helpdesk social engineering turns a seemingly legitimate reset request into full account compromise. [...]

The United Kingdom's National Cyber Security Centre (NCSC-UK) and international partners warned that China-nexus hackers are increasingly using large-scale proxy networks of hijacked consumer devices to evade detection and disguise their malicious activity. [...]

A previously undocumented state-backed threat actor named GopherWhisper is using a Go-based custom toolkit and legitimate services like Microsoft 365 Outlook, Slack, and Discord in attacks against government entities. [...]

CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has been exploited in zero-day attacks. [...]

Apple has released out-of-band security updates for iPhone and iPad devices to fix a Notification Services flaw that could allow notifications marked for deletion to remain stored on the device. [...]

Apple has released out-of-band security updates for iPhone and iPad devices to fix a Notification Services flaw that could allow notifications marked for deletion to remain stored on the device. [...]

A new Mirai-based malware campaign is actively exploiting CVE-2025-29635, a high-severity command-injection vulnerability affecting D-Link DIR-823X routers, to enlist devices into the botnet. [...]

Microsoft released an emergency patch for its ASP.NET Core to fix a high-severity vulnerability that allows unauthenticated attackers to gain SYSTEM privileges on devices that use the Web development framework to run Linux or macOS apps. The software maker said Tuesday evening that the vulnerability, tracked as CVE-2026-40372 …

A new Kyber ransomware operation is targeting Windows systems and VMware ESXi endpoints in recent attacks, with one variant implementing Kyber1024 post-quantum encryption. [...]

The Spanish police have dismantled the largest Spanish-language manga piracy platform, operating since 2014, with millions of monthly users from around the globe. [...]

Fraud operations now operate like call centers, complete with hiring, training, and performance tracking. Flare reveals how cybercriminals manage "Caller-as-a-Service" operations like a professional sales team. [...]