CISA is warning that local K-12 school districts are increasingly under assault by cyberthreats targeting vulnerable networks that are disrupting physical and virtual education throughout the U.S. The top security problems include ransomware, Trojans and other malware as well as DDoS attacks.
FireEye, one of the world's top cybersecurity firms, says attackers stole its penetration testing tools and sought information about government clients. But FireEye doesn't believe the suspected nation-state hackers exfiltrated any data.
Are insurers getting cold feet over covering losses to ransomware? With claims due to ransomware skyrocketing, some insurers have reportedly been revising offerings to make it tougher for companies to claim for some types of cybercrime, including extortion.
Ransomware innovation seems to know no bounds, as crime gangs seek new ways to make crypto-locking malware ever more profitable. Beyond data-leak sites and affiliate programs, gangs have also been using call centers to cold-call victims, tell them they've been hit by ransomware and request payment.
Dutch HR firm Randstad and the public transportation agency of Vancouver, Canada, are continuing to recover from ransomware attacks. Both incidents appear to have involved Egregor ransomware, with Randstad reporting that data was exfiltrated and is now being leaked by attackers to try and force payment.
The hacker-for-hire group DeathStalker, known for conducting espionage campaigns against small and medium-sized businesses, has started using a new malware strain called PowerPepper, according to a report from the security firm Kaspersky.
A botnet called DarkIRC is exploiting a remote execution vulnerability in Oracle WebLogic, according to Juniper Threat Labs. Meanwhile, the malware used to create the botnet is being offered for sale on a darknet hacking forum.
Europol, along with the other law enforcement agencies in Europe, prevented payment fraud losses of $47.5 million by targeting fraudsters who were selling stolen card data on darknet websites known as card shops.
Criminals continue to rely on automated bots for phishing attacks, web scraping, credential stuffing and more. But while gangs previously needed to amass large, powerful botnets to be effective, now they need relatively few devices, says Group-IB CTO Dmitry Volkov.
The latest edition of the ISMG Security Report features an analysis of how cybercriminals are ditching banking Trojans in favor of ransomware attacks. Also featured: Defending against deep fakes; supporting a dispersed workforce.
Officials with the Baltimore County Public Schools are investigating a ransomware attack that disrupted virtual learning for students this week. Now, the district has been forced to call-off its virtual classes until next Monday.
Interpol, Nigerian law enforcement agencies and security firm Group-IB have collectively uncovered a massive Nigerian business email compromise gang that was active across more than 150 countries. Three suspected members have been arrested in Nigeria.
French IT services firm Sopra Steria, which was hit with Ryuk ransomware in October, now estimates that the attack could cost the company up to $60 million in recovery costs. Experts say that after going quiet in March, Ryuk reappeared in September, and has targeted numerous hospitals.
Like you, cybercriminals are on their own digital transformation journey. Trends like remote work, Internet of Things (IoT), bring-your-own-device (BYOD) and cloud initiatives have given hackers new ways to infiltrate your organization by exponentially expanding the attack surface. Technologies like artificial...