Attackers Exploit Zero-Day Flaws in On-Premises SharePoint

Prajeet Nair • July 21, 2025

Hackers have been exploiting two zero-day vulnerabilities in on-premises installations of Microsoft SharePoint to gain remote access, and steal cryptographic keys and data. As Microsoft rolls out patches against "ToolShell," experts warn administrators to also rotate keys, to help eject attackers.

Artificial Intelligence & Machine Learning

iCounter Debuts With Mission to Defeat AI-Enabled Threats

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Cybercrime

Hackers Exploit FIDO MFA With Novel Phishing Technique

Prajeet Nair • July 19, 2025

Expel researchers have found a novel adversary-in-the-middle phishing technique used by PoisonSeed, a cybercrime group previously tied to large-scale cryptocurrency thefts, to sidestep one of the most secure forms of multifactor authentication - FIDO2 physical keys.

Artificial Intelligence & Machine Learning

UK Creative Community, Big Tech Resume AI Copyright Talks

Akshaya Asokan • July 18, 2025

The U.K. government on Wednesday began its latest round of talks between creative owners and the artificial intelligence sector to work out a potential deal on the use of copyrighted content to train AI models. The discussions follow two previous failed attempts.

Application Security

Botnet Abuses GitHub Repositories to Spread Malware

Prajeet Nair • July 18, 2025

Threat actors are using public GitHub repositories to host and distribute malware through the Amadey botnet in an ongoing campaign linked to a broader malware-as-a-service operation, Cisco Talos said in a report published Thursday.

Artificial Intelligence & Machine Learning

Security, AI Oversight Are Flashpoints in Draft Defense Bill

Chris Riotta • July 18, 2025

Washington is wagering that future conflicts will unfold as much in cyberspace as on the battlefield, with House and Senate lawmakers unveiling dueling drafts of a nearly $900 billion defense bill that spotlights needs for cybersecurity and artificial intelligence technology.

Data Breach Notification

Texas Drug, Alcohol Testing Firm Hack Affects Nearly 750,000

Marianne Kolbasuk McGee • July 18, 2025

A Texas-based firm that conducts workplace drug and alcohol testing for private employers and for compliance with state and federal agencies, including the Department of Transportation, disclosed to regulators that a July 2024 hacking incident affected nearly 750,000 people.

Artificial Intelligence & Machine Learning

ISMG Editors: Seychelles Bank Breach Echoes 'Panama Papers'

Anna Delaney • July 18, 2025

In this week's update, four ISMG editors discussed the potential global implications of the Seychelles Commercial Bank data breach; the real-world threat of train hacks following an alert about a critical railway vulnerability; and growing concerns around AI's "comprehension problem."

Fraud Management & Cybercrime

Attackers Target Legacy Code in TeleMessage's Signal Clone

Mathew J. Schwartz • July 18, 2025

Attackers are actively attempting to exploit a vulnerability that exists in older versions of the Signal message app clone TeleMessage TM SGNL, built by Smarsh to keep copies of all communications, including the ability to comply with federal record-keeping requirements.

Cryptocurrency Fraud

Crypto ATM Crackdown: British Cops Bust Suspected Operators

Mathew J. Schwartz • July 18, 2025

British authorities are continuing their crackdown on cryptocurrency ATMs being operated inside the country, with police this week announcing the arrest of two suspected operators. Such moves parallel efforts in the U.S., New Zealand and Australia to combat criminal users and scammers.

Anti-Phishing, DMARC

China-Backed Hackers Intensify Attacks on Taiwan Chipmakers

Prajeet Nair • July 17, 2025

Chinese state-aligned hackers have ramped up espionage efforts against Taiwan's semiconductor ecosystem through spear-phishing campaigns. Three distinct threat actors targeted chipmakers, packaging and testing firms, equipment suppliers and financial analysts.

Governance & Risk Management

Golden dMSA Flaw Exposes Firms to Major Credential Theft

Prajeet Nair • July 17, 2025

A 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.

Cyberwarfare / Nation-State Attacks

Salt Typhoon Hit National Guard Network in 'Extensive' Hack

Chris Riotta • July 17, 2025

A newly released Department of Homeland Security memo revealed the Chinese cyberespionage group Salt Typhoon infiltrated a state Army National Guard network for nine months in 2024, stealing sensitive military data that could support future targeting of Guard units and cyber defense personnel.

Fraud Management & Cybercrime

Extradited Armenian Tied to Ryuk Ransomware Faces US Trial

Mathew J. Schwartz • July 17, 2025

A 33-year-old Armenian man, Karen Vardanyan, accused of facilitating Ryuk ransomware attacks against numerous organizations, is due to stand trial in the U.S. in August. The FBI said the Ryuk operation earned at least $15 million in cryptocurrency ransom payments from victims.