Unfortunately, security experts say the attacks will only continue in 2015. But they're hoping there's a silver lining to this brutal year: the start of a long-overdue conversation about the potential attacks that threaten everyone online.
"If you asked a person on the street what the top three or four biggest cybersecurity issues were this year, they'd name the same things people in the [security] industry who eat, sleep and breathe this stuff would say," Hugh Thompson, chief security strategist for IT security firm Blue Coat. "I can tell you it's never been that way before."
Unfortunately, that awareness has come after folks were affected by stolen credit cards or leaked personal information.
"Security has gone from the backburner to something more tangible and real for the average person," said Gary Davis, the chief consumer security evangelist at McAfee. "For people in my profession, my view is: We kind of got your attention last year. Now this year needs to be about guidelines to be as safe as possible."
Here are five types of attacks that cybersecurity experts say will be cracking computers in 2015.