Latest cybersecurity reporting from selected sources.

NCSC-NL Says Hack of Citrix NetScaler Flaw Also Targeted Critical InfrastructureA preliminary assessment by the Dutch NCSC into a suspected Russian hacking campaign has concluded that more than one group likely carried out the May breach of the country’s law enforcement network. Investigators say hacks of Citrix NetScaler flaw also targeted critical infrastructure.

NCSC-NL Says Hack of Citrix NetScaler Flaw Also Targeted Critical InfrastructureA preliminary assessment by the Dutch NCSC into a suspected Russian hacking campaign has concluded that more than one group likely carried out the May breach of the country’s law enforcement network. Investigators say hacks of Citrix NetScaler flaw also targeted critical infrastructure.

AG Says HealthAlliance Tried But Failed to Fix Zero-Day Flaw That Led to ExploitNew York State has levied a $550,000 fine against a healthcare group that tried - but failed - to patch a critical zero-day vulnerability in a Citrix NetScaler appliance used for telemedicine. Hackers exploited the flaw, stealing 196 gigabytes of data in an incident affecting 242,000 people.

CEO Tells Congress Attackers Gained Access Via a Citrix Portal; What Happened NextDeciding to pay cybercriminals a ransom in the attack on Change Healthcare was one of the most difficult choices UnitedHealth Group CEO Andrew Witty ever faced, according to written testimony ahead of two congressional hearings this week on the disruptive Change Healthcare mega-hack.

Testifies that Citrix authentication snafu has cost the health giant dearly UnitedHealth CEO Andrew Witty will tell US lawmakers Wednesday the cyber-criminals who hit Change Healthcare with ransomware used stolen credentials to remotely access a Citrix portal that didn't have multi-factor authentication enabled.…

UnitedHealth confirms that Change Healthcare's network was breached by the BlackCat ransomware gang, who used stolen credentials to log into the company's Citrix remote access service, which did not have multi-factor authentication enabled. [...]

Urgent Action Needed to Prevent Ransomware Attacks Involving Vulnerability ExploitA recent spike in ransomware attacks has prompted federal regulators and the American Hospital Association to issue urgent warnings to hospitals and other healthcare firms to prevent potential exploitation of the Citrix Bleed software flaw affecting some NetScaler ADC and NetScaler Gateway devices.

In the race over Citrix's latest vulnerability, the bad guys have a huge head start, with broad implications for businesses and critical infrastructure providers worldwide.