Suspicious business emails increase, imposters pretend to be executives
U.S. small businesses report an increase in suspicious business emails over the past year, a cyber survey by HSB shows, and employees are taking the bait as they fall for …
The battle against ransomware: Lessons from the front lines
Ransomware is arguably the most significant cybercrime innovation in recent history. The ransomware business model is so effective that it is now the most common and …
Web shell malware continues to evade many security tools
Cyber attackers are increasingly leveraging web shell malware to get persistent access to compromised networks, the US National Security Agency and the Australian Signals …
Phishers exploiting employees’ layoff, payroll concerns
A few days ago, we outlined several phishing campaigns going after Zoom and WebEx credentials of employees. Two new ones are trying to exploit their (at the moment very …
Phishers exploit Zoom, WebEx brands to target businesses
Proofpoint researchers have spotted and documented email phishing campaigns targeting US companies in a variety of industries with emails impersonating Zoom and Cisco (Webex). …
Beware of fake COVID-19-themed emails from President Trump
As US citizens wait for President Trump’s final decision about whether quarantine will be over by Easter, malware peddlers have already “decided”: quarantine …
APT attacks targeting Linux, Windows and Android remained undetected for nearly a decade
Five related APT groups operating in the interest of the Chinese government have systematically targeted Linux servers, Windows systems and mobile devices running Android …
Spotting and blacklisting malicious COVID-19-themed sites
Since last December, over 136,000 new COVID-19-themed domains have popped up and, while many host legitimate websites, others have been set up to serve malware, phishing …
Kwampirs threat actor continues to breach transnational healthcare orgs
The Kwampirs (aka Orangeworm) attack group continues to target global healthcare entities in this time of crisis, the FBI has warned. “Targeted entities range from major …
21% of SMBs do not have a data backup or disaster recovery solution in place
58% of C-level executives at small and medium businesses (SMBs) said their biggest data storage challenge is security vulnerability, according to Infrascale. The research, …
No, Corona Antivirus can’t fight COVID-19
COVID-19-themed scams are exploding both online and offline. Hijacked Twitter accounts peddling fake cures, scammy sites offering emergency supplies, misinformation campaigns, …
Evasive malware increasing, evading signature-based antivirus solutions
Evasive malware has grown to record high levels, with over two-thirds of malware detected by WatchGuard in Q4 2019 evading signature-based antivirus solutions. This is a …
