Cbi Ccleaner Piriform [best] May 2026

Piriform was acquired by Avast in 2017. Shortly after, a massive supply chain attack (tracked by CISA and other agencies as a major Computer-Based Investigation / threat event) hit CCleaner users.

But ask anyone in cybersecurity about “CCleaner + Piriform + CBI,” and their expression changes. Here’s why. cbi ccleaner piriform

If you’ve been cleaning up old PCs for years, you know the name and their flagship tool, CCleaner . For over a decade, it was the go-to utility for removing junk files, fixing registry errors, and speeding up Windows. Piriform was acquired by Avast in 2017