Cyber Attack on Ukrainian National Information Agency

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary On 17th January 2023, the Ukrainian National Information Agency "Ukrinform" suffered a partial cyber attack. The Government Computer Emergency Response Team of Ukraine CERT-UA initiated an investigation...

Gamaredon Group Launches Cyberattacks Against Ukraine Using Telegram

The Russian state-sponsored cyber espionage group known as Gamaredon has continued its digital onslaught against Ukraine, with recent attacks leveraging the popular messaging app Telegram to strike military and law enforcement sectors in the country. "The Gamaredon group's network infrastructure...

Ukraine's DELTA Military System Users Under Attack from Info Stealing Malware

The Computer Emergency Response Team of Ukraine CERT-UA this week disclosed that users of the Delta situational awareness program received phishing emails from a compromised email account belonging to the Ministry of Defense. The attacks, which have been attributed to a threat cluster dubbed...

Ukraine Says Russia Planning Massive Cyberattacks on its Critical Infrastructures

The Ukrainian government on Monday warned of "massive cyberattacks" by Russia targeting critical infrastructure facilities located in the country and that of its allies. The attacks are said to be targeting the energy sector, the Main Directorate of Intelligence of the Ministry of Defense of...

Ukrainian Radio Stations Hacked to Broadcast Fake News About Zelenskyy's Health

Ukrainian radio operator TAVR Media on Thursday became the latest victim of a cyberattack, resulting in the broadcast of a fake message that President Volodymyr Zelenskyy was seriously ill. "Cybercriminals spread information that the President of Ukraine, Volodymyr Zelenskyy, is allegedly in...

“Chemical attack” email warnings deliver Jester Stealer malware

Jester Stealer, a malicious file capable of large amounts of data theft, is on the prowl again. The Ukrainian Computer Emergency Response Team CERT-UA has warned of a large distribution campaign abusing a "chemical attack" theme. Receiving an email like this in the invasion-affected regions of...

Ukrainian CERT Warns Citizens of a New Wave of Attacks Distributing Jester Malware

The Computer Emergency Response Team of Ukraine CERT-UA has warned of phishing attacks that deploy an information-stealing malware called Jester Stealer on compromised systems. The mass email campaign carries the subject line "chemical attack" and contains a link to a macro-laced Microsoft Excel...

Ukraine government and pro-Ukrainian sites hit by DDoS attacks

The Computer Emergency Response Team in Ukraine CERT-UA has announced that Ukraine government web portals and pro-Ukraine sites are subjected to ongoing DDoS distributed denial of service attacks. They dont currently know who is behind these attacks. The attack involves injecting a malicious...

Hackers Exploiting Recently Reported Windows Print Spooler Vulnerability in the Wild

A security flaw in the Windows Print Spooler component that was patched by Microsoft in February is being actively exploited in the wild, the U.S. Cybersecurity and Infrastructure Security Agency CISA has warned. To that end, the agency has added the shortcoming to its Known Exploited...

New Hacking Campaign Targeting Ukrainian Government with IcedID Malware

The Computer Emergency Response Team of Ukraine CERT-UA has warned of a new wave of social engineering campaigns delivering IcedID malware and leveraging Zimbra exploits with the goal of stealing sensitive information. Attributing the IcedID phishing attacks to a threat cluster named UAC-0041, th...

Russian Cyberattack against Ukrainian Power Grid Prevented

A Russian cyberweapon, similar to the one used in 2016, was detected and removed before it could be used. Key points: ESET researchers collaborated with CERT-UA to analyze the attack against the Ukrainian energy company The destructive actions were scheduled for 2022-04-08 but artifacts suggest...

Russia-Ukraine War: Phishing, Malware and Hacker Groups Taking Sides

Ukraine's Computer Emergency Response Team CERT-UA has warned of Belarusian state-sponsored hackers targeting its military personnel and related individuals as part of a phishing campaign mounted amidst Russia's military invasion of the country. "Mass phishing emails have recently been observed...

Hackers Cause World's First Power Outage with Malware

SCADA system has always been an interesting target for cyber crooks, given the success of Stuxnet malware that was developed by the US and Israeli together to sabotage the Iranian nuclear facilities a few years ago, and "Havex" that previously targeted organizations in the energy sector. Now once...