The University of Hertfordshire has sustained a cyber incident that severely affected students' online classes and an assignment submission portal. The university, however, notes the incident did not lead to data theft.
The latest edition of the ISMG Security Report features an analysis of whether the FBI removing malicious web shells from hundreds of compromised Microsoft Exchange Servers could set a precedent. Also featured is a description of an unusual fraud scam plus an update on security product development trends.
Researchers at the security firm Intel 471 report cybercriminal gangs are using a newly uncovered malicious document builder called "EtterSilent" to create differentiated, hard-to-discover, malicious documents that can be deployed in phishing attacks.
A North Korean government-backed threat group that was detected targeting security researchers in January is once again staging a campaign against them using advanced social engineering techniques, Google reports.
The latest edition of the ISMG Security Report features an analysis of retailer Fat Face’s awkward "strictly private and confidential" data breach notification. Also featured: Discussions on the ethics of buying leaked data and the rise of central bank digital currencies.
The ODP Corp. reports in a Securities and Exchange Commission 8-K filing that it has suffered a loss of about $28 million due to a March 1 cyber incident at its business services and supplies subsidiary, CompuCom, that forced the company to shut down some of its operations.
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Criminals continue to target on-premises Microsoft Exchange servers that have not yet been updated with four critical patches, including for a ProxyLogon flaw, which is now being targeted by Black Kingdom ransomware. One expert describes the attack code as being "rudimentary and amateurish" but still a threat.
Ransomware-wielding attackers have been in the limelight lately - not just for hitting Acer, Dassault Falcon and celebrity law firms but also for granting tell-all interviews that describe their tactics and motivations.
Acer, one of the world's largest PC and device makers, has been targeted by the ransomware gang REvil, aka Sodinokibi, according to news reports. The Taiwanese company has not confirmed it has been attacked, but data has been posted to the gang's darknet site.
There has been a spike in web shells being detected as ransomware gangs and other attackers increasingly target vulnerable on-premises Microsoft Exchange servers following publication of proof-of-concept attack code for ProxyLogon, which is one of four zero-day flaws patched by Microsoft in early March.
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