Of the 450 companies they have scanned 17% of all certificates are based on MD5.

FORBES: Flame's MD5 collision is the most worrisome security discovery of 2012

Action must be taken today to discover and root out MD5 certificates from the enterprise.

FORBES: Flame's MD5 collision is the most worrisome security discovery of 2012

Certificate attacks will be with us as long as MD5 based certificates are used to authenticate critical systems.

FORBES: Flame's MD5 collision is the most worrisome security discovery of 2012

In iOS 5, signing a certificate with an MD5 signature is not supported.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

Flame uses an MD5 hash collision to create counterfeit Microsoft update certificates.

FORBES: Flame's MD5 collision is the most worrisome security discovery of 2012

Install one or more security-checking packages LIDS, LogCheck, Tripwire, or HostSentry, or simply generate and store (off-system) MD5 checksums for all critical system files.

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But what about other certificates that are based on MD5?

FORBES: Flame's MD5 collision is the most worrisome security discovery of 2012