Latest cybersecurity reporting from selected sources.

Calif. Lawsuit: Genetics Testing Firm Missed Red Flags Before Massive 2023 BreachHackers in 2023 went undetected for five months in genetics testing firm 23andMe's IT systems, despite multiple unheeded warning signs, alleges California's attorney general in a lawsuit. Hackers in late April 2023 began accessing 23andMe's systems by using compromised credentials.

Health-ISAC Warns About Weak Governance and Credential MisuseHumans make mistakes. They fall for phishing scams and click on malicious links. Machines aren't necessarily better: Delegating decisions to agentic artificial tools can significantly intensify cybersecurity risks, warns a healthcare association.

AI Dependency Attack Reportedly Exposes Data and Source CodeA LiteLLM supply-chain compromise enabled attackers to harvest credentials and access internal environments at scale at Mercor. The firm was the first to confirm a LiteLLM breach, and researchers are warning about growing AI system exposure and limited visibility.

Chinese-Linked Malware Campaign Targets Critical Environments With Weak MonitoringU.S. and Canadian cyber authorities say Chinese state-backed actors used a backdoor dubbed BRICKSTORM to maintain long-term access into critical infrastructure, exploiting VMware environments to exfiltrate credentials and evade detection through encrypted covert channels.

Microsoft Says Hackers Pivoting to Identity CompromiseHackers are as likely to log in as break in, warns Microsoft in an annual assessment of cyberthreats. During the first half of 2025, identity-based attacks rose by 32% due to credentials stolen by infostealers or password and email combinations plucked from bulk data breaches.

Semperis Warns of Flaw in Windows Server 2025 Delegated Managed Service AccountsA critical cryptographic flaw in Windows Server 2025's delegated Managed Service Accounts, or dMSAs, allows attackers to generate passwords for every managed service account across an Active Directory forest and create a backdoor, Semperis researchers found.

Firewall Vendor Warns Attackers Using Valid Credentials They Previously StoleAttackers wielding an emerging strain of ransomware called Helldown have been gaining a foothold in victims' networks by exploiting a previously unknown flaw in their Zyxel firewalls, security researchers warn. Zyxel has warned attackers may be using valid credentials they previously stole.

CISA Adds Critical Palo Alto Flaw to Vulnerability Catalog After Attack DiscoveryThe Cybersecurity and Infrastructure Security agency warned Palo Alto Networks that a critical vulnerability the technology giant previously patched has been actively exploited since then, according to a new advisory, potentially exposing configuration secrets and credentials.

Company Says Single-Factor Authentication Accounts Are to Blame - Not a FlawHackers are targeting clients of artificial intelligence data platform provider Snowflake that lack multifactor authentication, the company warns. Threat actors are compromising organizations’ Snowflake customer tenants by using stolen credentials obtained by info-stealing malware, said Mandiant.

Microsoft Warns APT28's GooseEgg Tool Enables Credential TheftRussian military intelligence hackers are using an 18 month-old vulnerability in the Windows print spooler utility to deploy a custom tool that elevates privileges and steals credentials. Microsoft says it's seen post-compromise activities against Ukrainian, European and North American governments.

American Hospital Association Warns of Social Engineering SchemesThe American Hospital Association is warning of increasingly sophisticated social engineering scams targeting hospital IT help desks with schemes involving the stolen credentials of revenue cycle and other finance employees to commit payment fraud against the institutions.