Cyber attackers, especially persistent ones, use a variety of tools to break into target systems, assure their continuing presence in them and hide their actions, and exfiltrate information from them.
British intelligence agency GCHQ has, at least on one occasion, slurped up emails sent by and to journalists working for a number of high-profile news organizations and shared their contents on its own intranet, the Guardian reported.
A report based on documents from Edward Snowden's NSA trove and published by Der Spiegel on Saturday described the extensive cyber spying and sabotaging capabilities of the US National Security Agency, and gave an indication of how they knew who's to blame for the massive attack sustained by Sony Pictures Entertainment late last year.
Tens of millions of dollars, credit cards and intellectual property stolen by a new group of cyber criminals.
FireEye's researchers have identified yet another hacking group.
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