U.S. cybersecurity stocks gain attention after a major hacking incident, prompting increased government spending and new legislation.

The episode comes at a particularly sensitive moment, just as the Biden White House is dealing with one of the most far-reaching, and damaging, hacks into American infrastructure in the cyberage.

The department was notified Dec. 8 by a third-party software provider, BeyondTrust, that a hacker had gained access to a security key, which allowed the intruder to override certain security protocols.

Cyber warfare has been increasing in recent years: In March, the US and Britain accused another Beijing-backed group of hacking millions of people over more than a decade, including journalists and academics, while other hackers apparently targeted US President-elect Donald Trump’s phone and that of his running mate in October.

In early December 2024, the U.S. Department of the Treasury experienced a cybersecurity breach. Though China denies involvement, the breach is attributed to a Chinese state-sponsored Advanced Persistent Threat (APT) actor.

China slammed the U.S. Treasury's sanctions against cybersecurity firm Integrity Technology Group for its alleged role in hacking incidents.

China has slammed a decision by the U.S. Treasury to sanction a Beijing-based cybersecurity company for its alleged role in multiple hacking incidents targeting critical U.S. infrastructure

On Friday, the Treasury Department imposed sanctions on Chinese company Integrity Technology by restricting its access to U.S. property and bank accounts.

China slammed the U.S. Monday for sanctioning a Beijing-based cybersecurity firm allegedly behind a botnet targeting American infrastructure, accusing Washington of “using the issue of cybersecurity to vilify and smear China.