New firm is one of the largest cyber security companies
No quick fix to massive hack say security experts as a fourth malware strain is discovered
CISA has warned about the difficulty of completely ridding the government network of malware
But hackers may still have other means to retain access to victim networks, security experts warn
FireEye's CEO says no valuable data was stolen, but there are unanswered questions about the purpose behind the attack
Spear-phishing attacks started just after the WHO issued its first warning about novel coronavirus
APT41 attacks carried out between January and March targeted unsecured Citrix NetScaler servers and Cisco routers
Most tools are 'vendor agnostic' and can target products from some of the largest ICS original equipment manufacturers, warns FireEye
The Citrix/FireEye tool can identify systems compromised by CVE 2019-19781 exploits
Chinese intelligence targeting 'upstream data entities', such as telecoms companies, in order to compromise world leaders' communications