Hackers have already compromised more than 200 VPN servers
China’s Qihoo-360 names former CIA intelligence officer it claims was behind China cyber attacks, linking him to Vault 7 trove of attack tools
The flaw could enable attackers to carry out remote code-execution or denial-of-service attacks
Advertising network uses domain generation algorithm tools to evade ad-blocking technology
Qihoo 360 criticises Flashpoint's linguistic analysis as neither 'correct or professional'
Deal comes days after $1.2bn takeover fell through
Chinese consortium keen to pay a premium for Chrome clone browser company