Cisco is investigating claims of a data breach by hacker group IntelBroker, who reportedly stole a significant amount of developer data including source codes, login credentials and confidential documents. IntelBroker has allegedly posted some of the stolen data online as proof, and reportedly carried out large attacks on several firms in June. The methods used to access Cisco’s systems are yet unknown.

NSA warns that overlooked botnet technique threatens national security
The National Security Agency (NSA) has warned that fast flux, a technique used by cybercriminals and hostile nations to hide their activities, is a significant