Malwarebytes is offering a backup service for Android and Apple mobile devices and for Windows PCs that scans files for malicious software, Jack Schofield writes. Files are stored on an external hard drive or in a cloud. Malwarebytes Secure Backup has an optional encryption feature. "Backup is an important pillar in security. Anti-malware software can only get you so far," Malwarebytes CEO Marcin Kleczynski said.