Several employment sites run by Trinity Mirror Group were recently attacked.

"JobSearch.co.uk and jobs.mirror.co.uk both suffered hack attacks on 19 May," writes The Register's John Oates. "Blog posts described a 'concerted and sophisticated attempt to hack into user accounts.'"

"As a precaution Trinity Mirror suspended all user accounts and issued new passwords," Oates writes. "The post also warned people to change passwords if they were using them on multiple sites."

Click here to read the article at The Register.