Security Today - Lessons Learned from Oldsmar Water Plant Hack-Jeremy Rasmussen
Lessons Learned from Oldsmar Water Plant Hack
Jeremy Rasmussen | 3 Minute Read

Written by Abacode’s CTO, Jeremy Rasmussen for

Cybersecurity experts have long warned of attacks on small municipal systems. Until hackers accessed the water treatment plant of a small Florida city this year, those warnings were “out of sight, out of mind.” Now, both local and national authorities’ perspectives on the dangers of cybersecurity attacks are changing.

The intrusion only lasted between three and five minutes, according to the Tampa Bay Times. In that time, the level of sodium hydroxide being fed to the city of Oldsmar, Florida—home to 15,000 people—was changed from 100 parts per million to 11,100 parts per million. It took five and a half hours for an employee to notice the change…