Author: NICOLE PERLROTH

The problem stemmed from a malfunction in a server on the East Coast that is part of the system of UltraDNS, a content delivery company.

Cybersecurity companies have had an easy time raising money in Silicon Valley over the last few years. But investors are starting to ask about profit and sustainability.

HackerOne’s co-founders are betting they can persuade the world’s hackers to spend their free time solving security’s problems, not causing them, and that businesses will pay them a bounty for their service.

The Federal Reserve Bank of St. Louis said hackers were able to redirect users of its online research services to fake websites.

Criminals are luring targets into online sex chats, then persuading them to download apps that siphon off their contact information, passwords and address books.