ILOVEYOU: a love letter that wrecked offices
May 2000. An attachment from someone you knew. The habit is still in the inbox.
In May 2000 a lot of offices opened a mail with the subject ILOVEYOU and a file that looked like a love letter. It was a script. It mailed itself to the address book. It overwrote pictures and documents. Whole ministries and firms spent a day pulling network cables. The author was in the Philippines. Local law at the time did not fit the act well. The internet learned, slowly, that an attachment from someone you know can still be a weapon.
Why it worked
Outlook made running the file easy. People trusted a subject that felt human. The worm used that trust at scale. Antivirus was behind. Email was already the place work happened, so the infection had a ride.
You can still see the grandchildren: “invoice,” “resume,” “photos from last night.” The costume changed. The idea did not. A file that arrived uninvited wants to run. Your job is to not let it.
What to take from a twenty five year old worm
- People you know get their accounts used against their contacts. A name in the From line is not a blessing.
- Macros and “enable content” prompts are the old love letter in a new font.
- Backups that are not attached to the machine are how you survive a overwrite tantrum.
ILOVEYOU was not genius code. It was a moment when millions of people had the same bad habit on the same Tuesday. The habit is the part that is still in your inbox.