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.

Piriform, the creator of CCleaner, announces it has launched a unique new product that lets users manage and optimize multiple computers via a cloud-based platform, directly from their web ...

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 of users, the company ...

Avast today announced that it has acquired Piriform, the leading provider of device performance optimization software.

Avast says the Piriform team will become part of the Avast consumer business unit, and report directly to CTO Ondrej Vlcek.