Fred Cohen

The Good Virus: White Knight or Red Queen?

I encountered an old acquaintance today. Tip of the hat to Peter Radatti for pointing me towards an article by John Breeden II that proposes a very familiar idea: the Good Virus. (One that also often pops up in the form of the Good Worm, such as the various hues of Code that were proposed

Email malware: blast from the past

…today I’m waxing nostalgic about a piece of malware. Not one of those anniversaries that have filled so many blogs, articles and videos recently (happy birthday, dear Brai-ain….), but something that just popped into my mailbox…

The Only Good Worm is a Gummy Worm

From time to time the discussion of whether or not there are (or can be) good worms comes up, usually specifically in the context of program maintenance, updates and upgrades. In fact, the idea of maintenance viruses goes back at least as far as Dr. Fred Cohen, who pretty much "wrote the book" on early

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