Winter Vivern APT exploited zero-day in Roundcube webmail software in recent attacks

Russia-linked threat actor Winter Vivern has been observed exploiting a zero-day flaw in Roundcube webmail software. Russian APT group Winter Vivern (aka TA473) has been observed exploiting a zero-day flaw in Roundcube webmail software on October 11, 2023. ESET researchers pointed out that is a different vulnerability than CVE-2020-35730, that the group exploited in other attacks. The Winter […]

The post Winter Vivern APT exploited zero-day in Roundcube webmail software in recent attacks appeared first on Security Affairs.

October 26, 2023
Read More >>

MI5 chief warns of Chinese cyber espionage reached an unprecedented scale

MI5 chief warns Chinese cyber espionage reached an epic scale, more than 20,000 people in the UK have now been targeted. The head of MI5, Ken McCallum, warns that Chinese spies targeted more than 20,000 people in the UK. During a meeting of security chiefs of the Five Eyes alliance held in California, McCallum told […]

The post MI5 chief warns of Chinese cyber espionage reached an unprecedented scale appeared first on Security Affairs.

October 22, 2023
Read More >>

The attack on the International Criminal Court was targeted and sophisticated

The International Criminal Court revealed the recent attack was carried out by a threat actor for espionage purposes. The International Criminal Court shared additional information about the cyberattack that hit the organizations in September. In September, the International Criminal Court (ICC) announced that threat actors have breached its systems last week. The experts at the […]

The post The attack on the International Criminal Court was targeted and sophisticated appeared first on Security Affairs.

October 22, 2023
Read More >>

Chinese threat actors stole around 60,000 emails from US State Department in Microsoft breach

China-linked threat actors stole around 60,000 emails from U.S. State Department after breaching Microsoft’s Exchange email platform in May. China-linked hackers who breached Microsoft’s email platform in May have stolen tens of thousands of emails from U.S. State Department accounts, a Senate staffer told Reuters this week. During a briefing by U.S. State Department IT officials, […]

The post Chinese threat actors stole around 60,000 emails from US State Department in Microsoft breach appeared first on Security Affairs.

September 29, 2023
Read More >>

A phishing campaign targets Ukrainian military entities with drone manual lures

A phishing campaign targets Ukrainian military entities using drone manuals as lures to deliver the post-exploitation toolkit Merlin. Securonix researchers recently uncovered a phishing campaign using a Pilot-in-Command (PIC) Drone manual document as a lure to deliver a toolkit dubbed Merlin. The campaign, codenamed STARK#VORTEX by Securonix, targets Ukrainian military entities and CERT-UA attributed it […]

The post A phishing campaign targets Ukrainian military entities with drone manual lures appeared first on Security Affairs.

September 25, 2023
Read More >>