The notorious ShinyHunters extortion group leaked over 42 million records allegedly stolen from Charter in April. The post Charter Communications Data Breach Could Impact Nearly 5 Million appeared first on SecurityWeek .

An unknown threat actor has been observed using a large language model (LLM) agent to conduct post-compromise actions after obtaining initial access following the exploitation of a publicly-accessible Marimo network using a recently disclosed vulnerability. "The attacker compromised an internet-reachable Marimo notebook via CVE-2026-39987, extracted two cloud credentials from the compromised

MokN's platform deploys realistic decoy access points to lure attackers into revealing compromised credentials, enabling organizations to respond before abuse occurs. The post MokN Raises $15 Million for Phish-Back Platform appeared first on SecurityWeek .

DDoS attacks are increasingly being sold like subscription services, complete with pricing tiers, support, and reseller programs. Flare explores how the DDoS-as-a-Service market has evolved from scattered tools into polished attack platforms. [...]

Dutch authorities have taken offline a massive botnet of 17 million devices and seized more than 200 servers at a local provider that supported the operation. [...]

The critical-severity issue, assigned a CVSS score of 9.4, is an argument injection flaw that can be exploited by authenticated attackers via pull requests with malicious branch names. The post Gogs Zero-Day Exposes Servers to Remote Code Execution appeared first on SecurityWeek .

Google says the Chrome Device Bound Session Credentials (DBSC) security feature is now generally available and is rolling out to all users to prevent account takeovers. [...]

A previously undocumented threat actor dubbed GREYVIBE has been attributed to ongoing and persistent attacks targeting Ukraine and Ukraine-related entities since at least August 2025. GREYVIBE, per WithSecure, is assessed to be a Russian-speaking group operating broadly in the Russian time zone, with the activities aligning with Kremlin state interests, specifically when it comes to

Attorney General Rob Bonta filed the lawsuit against Chrome Holding Co., which 23andMe rebranded under after filing for bankruptcy last March. The post California Sues 23andMe, Alleging It Failed to Protect User Data in 2023 Breach appeared first on SecurityWeek .

A North Carolina man was sentenced to more than 10 years in prison for selling the personal information of over 7 million elderly Americans to Jamaican scammers. [...]

Shadow AI used to mean employees pasting things they shouldn't into ChatGPT. It now means something bigger: employees building full applications with AI, wiring them into production systems, and publishing them on the open internet. Without Security or IT in the loop. The artifact moved from a prompt to a product. The risk surface moved with it. In The Shadow Builders report (get it here), a

The browser update resolves critical-severity security defects that could potentially lead to remote code execution. The post Chrome 148 Update Patches 151 Vulnerabilities appeared first on SecurityWeek .

A Google security engineer was charged with insider trading after winning $1.2 million using confidential company data to place bets on the cryptocurrency-based Polymarket decentralized prediction market. [...]

Cybersecurity researchers have discovered a malicious NuGet package that masquerades as a C# software development kit for Sicoob, one of Brazil's largest cooperative financial systems, to siphon client IDs and PFX certificates. According to Socket, versions 2.0.0 through 2.0.4 of "Sicoob.Sdk" contain functionality to exfiltrate sensitive information, including PFX certificates that are used to

The ShinyHunters extortion gang stole personal information from 4.9 million accounts after hacking the U.S. telecom giant Charter Communications in early April, according to data breach notification service Have I Been Pwned. [...]

The North Korean state-sponsored threat actor known as Kimsuky (aka Velvet Chollima) has been attributed to a fresh set of cyber attacks targeting South Korean military and corporate entities through March and April 2026. "Kimsuky employed a range of tailored social engineering tactics, such as spoofing security software installation pages and crafting a fake Webex meeting page that leveraged

Anthropic has confirmed that it plans to bring Mythos-class models to the general public after delaying the rollout due to security risks to public and private software. [...]

De multiples vulnérabilités ont été découvertes dans Centreon Web. Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance et un contournement de la politique de sécurité.

De multiples vulnérabilités ont été découvertes dans Elastic Kibana. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, un déni de service à distance et une atteinte à la confidentialité des données.

De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.

De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, un déni de service à distance et une atteinte à la confidentialité des données.

De multiples vulnérabilités ont été découvertes dans les produits IBM. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance.

De multiples vulnérabilités ont été découvertes dans Oracle Database Server. Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance et un déni de service à distance.

De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un déni de service.

De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.

De multiples vulnérabilités ont été découvertes dans les produits Mattermost. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

A likely Russian threat cluster tracked as GreyVibe has been targeting Ukrainian entities with AI-generated lures and a rich set of custom malware tools. [...]

An Android remote access trojan named BTMOB is offered to cybercriminals with a builder interface for generating malware payloads tailored to phishing lures. [...]

The FBI is warning of fake websites impersonating FIFA ahead of the 2026 World Cup, to steal personal and financial information, sell fake tickets and hospitality packages, and push other fraud related to the event. [...]

Researchers warn GreyVibe’s extensive use of ChatGPT, Gemini, and other AI tools offers a glimpse into how future cybercriminal and state-aligned groups will operate. The post Russia-Linked ‘GreyVibe’ Attackers Use AI to Supercharge Cyberattacks appeared first on SecurityWeek .

Hackers are exploiting an authentication bypass vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server (EMS) to deliver an undocumented credential stealer called EKZ. [...]

A critical security vulnerability has been disclosed in Gogs, a popular open-source self-hosted Git service, that allows an authenticated user to execute arbitrary code under certain conditions. The security flaw, per Rapid7, is rated 9.4 on the CVSS scoring system. It does not have a CVE identifier. "The vulnerability allows any authenticated user to achieve remote code execution (RCE) on

The funding round was led by Balderton Capital, with additional support from Crosspoint Capital and previous investors General Catalyst and Ten Eleven Ventures. The post Geordie Raises $30 Million for AI Security and Governance Platform appeared first on SecurityWeek .

In this newsletter, Thor breaks down why you should stop relying solely on CVSS and start using EPSS and GCVE to focus your patching efforts on the threats that actually matter.

Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server (EMS) deployments to deliver credential-stealing malware. "The campaign abused trusted endpoint management infrastructure to deliver malware across managed endpoints," Arctic Wolf said. "Threat actors disguised the credential stealer payload as a Fortinet endpoint

Data breach leaves nearly 6 million Carnival customers navigating identity theft risks. The post Carnival Data Breach Exposed 6 Million People appeared first on SecurityWeek .

An unpatched zero-day vulnerability in the Gogs self-hosted Git service can allow attackers to gain remote code execution (RCE) on Internet-facing instances. [...]

MSPs don't lack security data. They struggle to separate real threats from alert noise. Kaseya explains how SIEM helps MSPs improve visibility, reduce fatigue, and respond faster. [...]

Microsoft has come out strongly in favor of Coordinated Vulnerability Disclosure (CVD), urging the research community to share their findings and give affected vendors an opportunity to better understand the impact and address them before they are publicly disclosed. The development comes after a researcher named Chaotic Eclipse (aka Nightmare-Eclipse) disclosed details of multiple zero-day

Every time you think the industry has finally stopped doing some reckless, low-effort crap, somebody spins up a fresh box full of sketchy loaders, fake installers, recycled social-engineering bait, and enough exposed infrastructure to make you wonder if prod is just a public beta now - meanwhile some researcher casually drops a technique that turns a "minor" foothold into total account