The hacking of a major US oil pipeline Friday is the latest in a string of cyberattacks under federal investigation.

The stories read like movie loglines: A reportedly Russia-backed group slowly burrowed its way into US digital infrastructure, gaining access to important government accounts. An unknown cyber-assailant tried to poison a Florida town's water supply. And now, a group of veteran cybercriminals took down an East Coast oil pipeline and held it ransom.

Ransomware attacks are common and are the cyberattack with the most potential to wreak havoc on everyday life, according to Ben Miller, an executive at the industrial cybersecurity firm Dragos Inc.

Miller had firsthand experience with a ransomeware attack in November, when hackers took over Baltimore's school system and forced it to shut down for four days.

Read the full article about ransomware attacks by Jacob Shamsian at Business Insider.