darkreading

Using a malicious Chrome extension, researchers showed how an attacker could use a now-fixed bug to inject custom code into a victim's Opera browser to exploit special and powerful APIs, used by developers and typically saved for only the most trusted sites.

Now a zero-day, the vulnerability enables NTLM hash theft, an issue that Microsoft has already fixed twice before.

A professional-grade tool set, appropriately dubbed "CloudScout," is infiltrating cloud apps like Microsoft Outlook and Google Drive, targeting sensitive info for exfiltration.

In the latest attack against ISPs, second-largest French provider Free fell victim to unknown cyberattackers who attempted to sell the compromised data it stole from the company on an underground cybercrime forum.

A collaboration with the FBI and law-enforcement agencies in Europe, the UK, and Australia, Operation Magnus has seized servers and source code related to the two malware families, which have stolen data from millions of victims worldwide.

Great CISOs are in short supply, so choose wisely. Here are five ways to make sure you've made the right pick.

Sophos CEO Joe Levy says the $859 million deal to acquire SecureWorks from majority owner Dell Technologies will put the Taegis platform — with network detection and response, vulnerability detection and response, and identity threat detection and response capabilities — at the core.

Windows 11 machines remain open to downgrade attacks, where attackers can abuse the Windows Update process to revive a patched driver signature enforcement (DSE) bypass.

The nation leads in the number of capture-the-flag tournaments sponsored by government and industry — a strategy from which Western nations could learn.

Delta argues that it lost hundreds of million of dollars in downtime and other costs in the aftermath of the incident, while CrowdStrike says it isn't liable for more than $10 million.

Posing as an application used to locate Ukrainian military recruiters, a Kremlin-backed hacking initiative delivers malware, along with disinformation designed to undermine sign-ups for soldiers in the war against Russia.

LLMs tend to miss the forest for the trees, understanding specific instructions but not their broader context. Bad actors can take advantage of this myopia to get them to do malicious things, with a new prompt-injection technique.

Relying on EOL software leaves critical systems exposed — making it a problem no business can afford to ignore.

The networking company found liable for illegally gathering user data for targeted advertising by the Irish Data Protection Commission.

Kremlin intelligence carried out a wide-scale phishing campaign in contrast to its usual, more targeted operations.

Four companies — Avaya, Check Point, Mimecast, and Unisys — have been charged by the SEC for misleading disclosures in the aftermath of the 2020 SolarWinds compromise.

Eight months after the breach occurred, Change Healthcare has finally sent out millions of notices of compromised data to affected individuals.

Cybersecurity is mission-driven, meaningful work that coincides with the service branches' goals to protect, defend, and create a safer world.

Renewable energy firms deal with a large cyberattack surface area, given the distributed nature of power generation and more pervasive connectivity.

Vulnhuntr is a Python static code analyzer that uses Claude AI to find and explain complex, multistep vulnerabilities.