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 ...

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 optimizes computer performance last month, potentially allowing them to control the devices of millions ...

A month ago, I wrote about how I felt Avast was ruining CCleaner, the excellent system cleaning software it took over when it acquired Piriform last year. In Avast's short tenure, we've already seen ...

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 ...

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 ...

A security firm has apologised after hackers inserted malicious code into versions of its software that were downloaded by customers. Piriform, which develops the CCleaner software designed to remove ...