Navigating the vast expanse of the internet can be a messy business for your computer. Websites you visit install cookies, browsing histories quickly amass and unwanted files are easily left undeleted ...

SAN FRANCISCO (Reuters) - Hackers broke into British company Piriform Ltd's free software that optimises computer performance last month, potentially allowing them to control the devices of millions ...

According to its parent company Avast, more than 130 million people use the performance optimization software CCleaner. And today all of those people need to be sure they’ve installed the latest ...

Hackers modified versions of the Avast-owned CCleaner software to infect potentially millions of PCs with a backdoor. The so-called supply chain attack targeting CCleaner users was discovered by ...

SAN FRANCISCO — That 2.3 million CCleaner app hack reported Tuesday? It turns out the actual end goal may have been a few dozen high-value targets in the tech industry, an example of the lengths ...

A software package update for a Windows utility product distributed by antivirus vendor Avast has been spreading an unsavory surprise: a malware package that could allow affected computers to be ...

All you wanted was a faster computer. You thought that by downloading CCleaner, a popular and free app for optimizing PC performance, you'd sweep out those digital ...

This morning, Piriform, developer of PC maintenance tool CCleaner, announced it was breached by hackers who infected an estimated 2 million users with malware. Prifirom says the incident has since ...

The compromise of popular free security tool CCleaner disclosed earlier this week has taken an interesting twist as security researchers have discovered that the attack targeted major tech companies ...

CCleaner, an application distributed by security company Avast that helps users perform routine maintenance on systems, has been compromised, according to a report Monday, allowing hackers to ...

is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 years. Hackers have successfully breached CCleaner’s security to inject malware into the ...