The maker of the popular optimization app CCleaner has confirmed hackers stole a trove of personal information about its paid customers following a data breach in May. In an email sent to customers, ...

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 ...

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A few days ago, cybersecurity experts revealed that a PC security product was backdoored by hackers, which allowed the attackers to install malicious software on compromised computers. Avast, the ...

CCleaner has long been a classic among Windows system optimizers, and next year the much-loved tool will celebrate its 20th ...

Ever since it bought Piriform in July 2017, the CCleaner software has brought only headaches to Czech cybersecurity firm Avast. This ebook, based on the latest ZDNet/TechRepublic special feature, ...

For about 22 days, the CCleaner system maintenance application distributed malware through its official channels. It appears to have been an exploit of the CCleaner installer’s download server, ...

If you use a software tool called CCleaner to keep your Windows PC humming smoothly, keep reading: the utility was just indicted by Piriform, the British company that makes CCleaner, in a troubling ...

You don't always have to install an application to perform important computer tasks. Portable apps, such as Piriform's CCleaner, can run from external USB devices ...