KEY POINTS
  • Two cyberattacks in May, against the City of Baltimore and accounting software firm Wolters Kluwer, show how the newest wave of malicious hacking can have significant, often unpredictable personal consequences for individuals.
  • "I'm bleeding cash on a rental and storage," says a prospective Baltimore homebuyer. "I was supposed to move out by the end of the month, but have no idea if we'll be able to close. It's more than an inconvenience. It's a nightmare."
  • "I'm totally backed up," says an accountant from a big-four firm. "I've never seen anything like it. It's still all we talk about. It just wiped out a week of productivity."

On May 7, accounting software company Wolters Kluwer faced a devastating malware attack, shutting off service and panicking many accountants who were racing to file their clients' tax returns by a May 15 deadline.

As CNBC reported, some accountants worried they were going to have to file returns by hand. The IRS eventually extended the deadline an unprecedented seven days.