Cybersecurity News

Anthropic said the users did not succeed in “fielding an operational device” but did carry out a failed test of a guided rocket. The post Users in Houthi-Held Yemen Tried to Develop Advanced Weapons With AI, Anthropic Says appeared first on SecurityWeek.

OpenAI confirmed their agents were behind a campaign in May that researchers say flooded the popular online code repository with malicious software packages. The post Researchers say OpenAI agents were behind May hacking campaign targeting RubyGems appeared first on CyberScoop.

OpenAI agents carried out an undisclosed attack on RubyGems is a new bombshell report from Spencer Kitts, Thomas Larsen, and Sydney Von Arx - three of the four authors of the report on the agent attack on disused wikis (previously) last week. This time they're noting that it looks very likely that an OpenAI agent swarm was behind an attack against the RubyGems package repository first reported on May 12th by Maciej Mensfeld of the RubyGems security team: We're dealing with a major malicious attack on @rubygems right now. Signups are paused for the time being. Hundreds of packages involved - mostly targeting us, but some carrying exploits. The team has been on this for hours. More details to follow once we're through it. Those packages turned out to carry some very suspicious patterns: Many of them included "oai" in their name, or the author field, or the fake email address they provided. The files they were accessing were similar in character to the files retrieved by the wiki agent

A Department of Transportation rule published last week says that airlines complying with cybersecurity regulations will have reduced customer obligations in the event of an attack. The post Cyberattack causes a flight delay? Airlines won’t owe you a hotel or meal appeared first on CyberScoop.

Anthropic says multiple threat groups, including the financially motivated and state-sponsored espionage groups linked to Russia and China, tried to abuse its Claude AI model for malicious purposes. [...]

The Florida Department of Highway Safety and Motor Vehicles (FLHSMV) has confirmed that its DAVID driver database suffered a data breach, saying the attackers gained access using credentials belonging to a police department employee. [...]

One flaw allows an unauthenticated attacker to read files from the server. GitLab urged operators of self-managed installations to upgrade immediately. The post GitLab’s critical flaw is already drawing internet-wide probes appeared first on CyberScoop.

Microsoft says threat actors linked to ShinyHunters, Helix, and other extortion gangs are using passkey and single sign-on-themed social engineering attacks to compromise corporate Microsoft accounts and steal data from Microsoft 365 services. [...]

Analysis of 2.47 million simulated attacks shows why organizations should measure credential leaks and reporting, not just clicks. The post Phishing Research Challenges Conventional Security Awareness Testing appeared first on SecurityWeek.

Threat actors are exploiting critical and high-severity vulnerabilities in JFrog Artifactory to bypass authentication, gain administrative privileges, and deploy a Rust backdoor on vulnerable self-hosted servers. [...]

The critical-severity path traversal flaw allows unauthenticated attackers to read arbitrary files from the GitLab server. The post GitLab Vulnerability Exploited One Day After Disclosure appeared first on SecurityWeek.

A breach at email marketing company Brevo exposed Trezor, CoinTracking, and BitBox customers to phishing emails, but others may also be at risk.

I identified an attacker using a semi-autonomous coding agent to run an offensive operation: finding poorly secured LLM resale gateways, acquiring API access through ordinary web flaws and account farming, validating the resulting inference capacity, and aggregating it behind a single gateway of their own.

Noteworthy stories that might have slipped under the radar: Invisible Unicode slips past phishing filters, US puts $10 million bounty on Iranian cyber official, military ties of Chinese hacking group QTFY. The post In Other News: InjectEave Attack, SIM Swapper Sentenced, Glasswing Findings Review appeared first on SecurityWeek.

Threat actors are abusing trusted AI platforms to host malicious content, poison search results, and trick users into installing malware. Huntress examines campaigns targeting AI users through weaponized Claude Artifacts, shared AI conversations, sponsored search results, and ClickFix-style lures. [...]

KnowBe4 researchers observed a new phishing campaign leveraging Microsoft 365’s Direct Send to send malicious emails

Hackers compromised the Brevo marketing platform and used that access to send phishing emails to users of Trezor, BitBox, and CoinTracking. The post Trezor Says 347,000 Users Received Phishing Emails After Brevo Hack appeared first on SecurityWeek.

The Gigabud banking Trojan can clone a banking app into a separate work profile on an Android device to help hide fraudulent transactions.

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action for lower-risk vulnerabilities. BOD 26-04 further establishes basic expectations f

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-42016 JFrog Artifactory Incorrect Authorization Vulnerability  CVE-2026-42018 JFrog Artifactory Improper Authentication Vulnerability  CVE-2026-84869 ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly expo

Oleksii Oleksiyovych Lytvynenko has been sentenced to 4 years in prison after he was arrested in Ireland in 2023. The post Ukrainian Conti Ransomware Developer Sentenced to 4 Years in US Prison appeared first on SecurityWeek.

GitLab urged users on Thursday to patch their servers immediately against a maximum-severity path traversal vulnerability tracked as CVE-2026-85706. [...]

Tracked as CVE-2026-85102 and CVE-2026-85103, the flaws could be exploited for remote code execution. The post Check Point Patches Critical VPN Vulnerabilities appeared first on SecurityWeek.

Financials have not been disclosed, but the estimated cost is in the tens of millions of dollars. The post Kiteworks Acquires Bonfy.AI to Fill the AI Gap in Data Governance appeared first on SecurityWeek.

A misconfigured test server containing engineering material, including internal configurations, was accessed by threat actors. The post Surfshark Systems Targeted by Hackers appeared first on SecurityWeek.

Microsoft has fixed a bug that prevented Teams and Outlook from launching on ARM-based Windows devices after installing updates released since the August 2026 Patch Tuesday. [...]

A new Syskit study has shown that only 43% of organizations with AI agents deployed in Microsoft 365 environments completed a permission review before doing so

Anthropic reveals how criminal groups are increasingly targeting AI vendors' own infrastructure, including to steal a pre-release Claude model. The post Anthropic Says Russian Hackers Used Claude AI to Automate Malware Evasion appeared first on SecurityWeek.

Trezor has revealed that phishing attacks against its customers earlier this week targeted 347,000 email addresses and affected 2,500 users who clicked an embedded malicious link. [...]

A Ukrainian national has been sentenced to four years in prison for his role in Conti ransomware attacks between 2021 and 2022. [...]