The Hacker News
Why follow? The Hacker News is a great resource for breaking news in the world of hacking. With a tab at the top, you can read recent and archived posts on DDos attacks, cyber espionage, the Tor Anonymity Network, botnet attacks and, really, whichever flavor of hacking intelligence you are interested in. If you don’t care to browse, follow them for breaking updates via their active Twitter presence.