The first online crash

In 1969, UCLA sent the first message "LOGIN" to Stanford, but the system collapsed after only sending the two letters "LO".

The first spam email

In 1978, DEC sent promotional emails to everyone on ARPANET and was criticized as a dog. This is the origin of spam emails.

The first worm virus

In 1988, the Morris worm paralyzed the entire Internet for six hours. The author originally only wanted to measure the size.

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