Security software giant Avast has acquired Piriform, the U.K.-based company behind CCleaner -- one of the most popular system cleaners on desktop and mobile. Founded out of London in 2004, Piriform is ...

Avast said it believes that threat actors are again looking to target CCleaner in a supply chain attack. Czech antivirus vendor Avast on Monday warned that hackers were able to access its internal ...

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, ...

Facepalm: Many users of popular system cleaning app, CCleaner, have complained that installing the software also installs the Avast anti-virus program without their permission. We have confirmed those ...

Avast-owned Piriform reverted to a previous version of CCleaner in response to user outrage over its new data collection policy that had no privacy options. Avast-owned Piriform responded to the ...

Facepalm: System cleaning app CCleaner has made the headlines quite a bit over the last few years, but most of it hasn't been good publicity. Keeping with that trend, one user recently found that ...