December 5, 2024

Key electricity distributor in Romania warns of ‘cyber attack in progress’

A leading energy services company in Romania has confirmed that it is currently dealing with an ongoing cyberattack. Electrica Group, a company listed on both the Bucharest and London stock exchanges that supplies electricity to over 3.8 million customers in Romania, stated to investors on Monday, alerting them to a “cyber attack in progress.”According to the company’s CEO, Alexandru Chirita, […]
December 3, 2024

Suspected Ukrainian hackers impersonating Russian ministries to spy on industry

According to researchers, a hacker group believed to be linked to Ukraine is conducting a new cyber espionage campaign against the Russian scientific and industrial sectors. The Russian cybersecurity company F.A.C.C.T. detected fraudulent emails that appeared to be from Russia’s Ministry of Industry and Trade. These emails, detailed in a report published on Wednesday, urged local defense industry firms to […]
October 22, 2024

Mexican airport operator purportedly breached by RansomHub

Mexico’s Grupo Aeroportuario del Centro Norte (OMA), which manages over a dozen airports across the country, has reportedly fallen victim to the RansomHub ransomware operation. The threat actors have claimed responsibility for the breach, alleging possession of 3 TB of sensitive data and warning of its exposure should the company fail to comply with their ransom demands, according to The […]
March 4, 2024

NTLM authentication hashes are stolen during phishing attacks by hackers

As a result of a recent shift in tactics, the hacking group known as TA577 has employed phishing emails to steal the authentication hashes of NT LAN Manager (NTLM) accounts in order to use them for account hijackings. The NTLM hash is a key component of Windows authentication and session security and can be used for offline password cracking to […]
February 29, 2024

Suspected Iranian Threat Actor UNC1549 Targets Israeli and Middle East Aerospace and Defense Sectors

Suspected Iran-nexus espionage activity targeting the aerospace, aviation and defense industries in Middle East countries, including Israel and the United Arab Emirates (UAE) and potentially Turkey, India, and Albania. Mandiant attributes this activity with moderate confidence to the Iranian actor UNC1549, which overlaps with Tortoiseshell—a threat actor that has been publicly linked to Iran’s Islamic Revolutionary Guard Corps (IRGC). Tortoiseshell […]
February 29, 2024

A North Korean-linked APT group exploited a zero-day vulnerability in the Windows AppLocker driver (appid.sys) to gain kernel-level access to a target system

An APT group linked to North Korea is exploiting a zero-day vulnerability in the appid.sys AppLocker driver using an admin-to-kernel exploit. A zero-day exploit, identified as CVE-2024-21338, was addressed by Microsoft in February. The flaw CVE-2024-21338 resides within the IOCTL (Input and Output Control) dispatcher of the driver appid.sys. In the AppLocker application, this driver controls which apps and files […]
May 17, 2023

New MalasLocker ransomware demands charity donation after targeting Zimbra servers

This week, a new ransomware operation, dubbed MalasLocker by BleepingComputer, has been observed which is targeting Zimbra servers to steal emails and encrypt files since the end of March 2023. Although instead of demanding a ransom payment, the threat actors claim to require a donation to charity to provide an encryptor and prevent data leaking. “Unlike traditional ransomware groups, we’re […]
May 17, 2023

FBI releases joint advisory against the BianLian ransomware gang

On Tuesday 16th of May 2023, the United States Federal Bureau of Investigation (FBI) released a joint TLP:CLEAR cybersecurity advisory warning organisations of the latest tactics, techniques, and procedures (TTPs) used by the BianLian ransomware group. The advisory highlighted that BianLian is a ransomware developer, deployer, and data extortion cybercriminal group that has targeted organisations in multiple U.S. critical infrastructure sectors […]
May 17, 2023

ScanSource warns of delays following ransomware attack

On Tuesday 16th of May 2023, a US-based technology provider ScanSource disclosed that they had suffered a ransomware attack that has impacted some of its systems, business operations, and customer portals. The impact has been significant, as it is expected to cause delays in the provision of services to customers in North America and Brazil. ScanSource has stated in a press […]
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