A notorious ransomware gang has claimed attacks against two government institutions this week, both of which confirmed they faced a range of issues due to the incidents. The city of Gondomar – a suburb about 20 minutes away from the Portuguese city of Porto – said on September 27 that it was the target of […]
Human-operated ransomware attacks are up more than 200% since September 2022, according to researchers from Microsoft, who warned that it could represent a shift in the cybercrime underground. Human-operated attacks typically involve the active abuse of remote monitoring and management tools that allow hackers to leave behind less evidence — as opposed to automated attacks […]
Stream-jacking attacks have gained significant traction on large streaming services in recent months, with cybercriminals targeting high-profile accounts (with a large follower count) to send their fraudulent ‘messages’ across to the masses. Starting from the fact that various takeovers in the past resulted in channels morphing into impersonations of known public figures (e.g. Elon Musk, […]
Cyberwarfare / Nation-State Attacks , Fraud Management & Cybercrime , Geo Focus: Asia Nation-State Attacks on Defense Manufacturers Rising Since November 2022 Jayant Chakravarti (@JayJay_Tech) • October 4, 2023 A Daewoo shipyard in the city of Geoje in South Korea (Image: Shutterstock) South Korean national intelligence has sounded alarms about North Korean hackers […]
Cybercriminals launched approximately 7.9 million DDoS attacks in 1H 2023, representing a 31% year-over-year increase, according to NETSCOUT. Global events like the Russia-Ukraine war and NATO bids have driven recent DDoS attack growth. Finland was targeted by pro-Russian hacktivists in 2022 during its bid to join NATO. Turkey and Hungary were targeted with DDoS attacks […]
Here, Cyber Security Hub takes a look at the top cyber attacks, data breaches and cyber security incidents across the globe that happened in September, 2023. Contents: Ransomware gang steals 1.3TB of data from Sabre X-based NFT phishing attack causes losses of over $691,000 Ransomware gang steals 6.8TB of data from Save […]
The FBI is warning organizations of new trends in ransomware attacks, where victims are targeted by multiple file-encrypting malware families or with wipers. As part of this trend, which was observed in July 2023, the FBI notes in a new private industry notification, threat actors deploy two ransomware variants in close date proximity to one […]
Cybersecurity agencies from Japan and the U.S. have warned of attacks mounted by a state-backed hacking group from China to stealthily tamper with branch routers and use them as jumping-off points to access the networks of various companies in the two countries. The attacks have been tied to a malicious cyber actor dubbed BlackTech by […]
The encryption method, known as PKCS#1 v1.5 padding scheme, was previously thought to be immune to attacks, but a new paper reveals that many software implementations of the scheme are actually vulnerable.