In a nutshell, the report details claims by a pair of former employees that Kaspersky Labs distributed malware that caused their rivals’ antivirus software to create false positives and quarantine files on users’ machines that were actually safe.
The former employees say that Kaspersky intentionally released malicious code into the wild that altered various files in a way that would cause the security software created by other companies to flag benign files as malicious and quarantine them, sometimes causing issues with system instability and data loss.