The MarketWatch News Department was not involved in the creation of this content. -- ThreatDown's EDR team discovered a sophisticated, multi-stage attack chain during an active investigation; the ...

Microsoft analyzes a malicious Claude Code–branded extension, its persistent SSH backdoor, and guidance to detect and ...

Claude Code vulnerability could let malicious HTML steal SSH keys and tokens via its preview pane. See which risks developers face ...

When OpenAI engineers discovered that a poisoned update to a widely used JavaScript library had executed on two corporate laptops, the company’s security team faced a decision that no software ...

On April 29, 2026, someone slipped malicious code into four widely used SAP software packages. Within days, the infection had spread to at least 169 packages across the npm registry, the world’s ...

NPM developer qix's account compromise potentially puts user funds at risk by compromising library dependencies used by bitcoin wallets. A major NPM developer, qix, has had their account compromised.

The notification arrived on September 14, 2025, at 17:58 UTC. Somewhere in the sprawling npm registry—home to 2.5 million JavaScript packages that power everything from banking apps to smart ...

The breach hit core JavaScript libraries such as chalk and strip-ansi, downloaded billions of times each week, raising alarms over the security of open-source software. Hackers have compromised widely ...

One of the more bizarre architectural elements of HTML that may still be excused with the phrase, "This behavior is by design," is the ability for a floating text frame using the <IFRAME> element to ...

A new Spectre v2 attack variant called Branch Target Reuse (BTR) can recover root password hashes from Intel computers running Linux in just a few minutes. A BTR attack exploits stale information in a ...