Sean Gallagher stories
![Story image](../../../../../uploads/story/2022/11/23/preview_GettyImages-1336414521.webp)
Sophos report reveals stark reality of cybercrime-as-a-service
Wed, 23rd Nov 2022
#
malware
#
firewalls
#
ransomware
The report addresses how ransomware remains one of the greatest cyber crime threats to organisations with operators innovating their extortion tactics.
![Story image](../../../../../uploads/story/2022/04/01/preview_GettyImages-1331943958__4_.webp)
Attackers using Log4Shell vulnerability to deliver backdoors
Fri, 1st Apr 2022
#
malware
#
virtualisation
#
firewalls
Attackers are using the Log4Shell vulnerability to deliver backdoors and profiling scripts to unpatched VMware Horizon servers.
![Story image](../../../../../uploads/story/2021/12/29/preview_GettyImages-1144604245__2_.webp)
Logjam: Log4j exploit attempts continue in globally distributed scans, attacks
Wed, 29th Dec 2021
#
firewalls
#
network infrastructure
#
network security
Log4j exploit attempts persist globally, with evidence of scans and attacks, according to Sophos threat researcher Sean Gallagher.
![Story image](../../../../../uploads/story/2021/12/15/preview_GettyImages-497953315__1_.webp)
New threat intelligence from Sophos following the Apache Log4Shell vulnerability
Wed, 15th Dec 2021
#
malware
#
firewalls
#
network infrastructure
Sophos warns of a surge in cyberattacks exploiting the Apache Log4Shell vulnerability, with attempts exceeding hundreds of thousands so far.
![Story image](../../../../../uploads/story/2021/12/07/preview_GettyImages-1323399508__3_.webp)
Sophos discovers new Python ransomware called Memento
Tue, 7th Dec 2021
#
malware
#
firewalls
#
network infrastructure
Cybercriminals are continuously scanning the internet for vulnerable online entry points, and they don't wait in line when they find one.
![Story image](../../../../../uploads/story/2021/09/06/preview_GettyImages-1221761167.webp)
The growing cybersecurity menace that is Droppers-as-a-Service
Mon, 6th Sep 2021
#
malware
#
firewalls
#
network infrastructure
Droppers for hire are delivering bundles of malicious content to targets looking for cracked versions of popular business and consumer applications.
![Story image](../../../../../uploads/story/2021/02/03/preview_GettyImages-519335916.webp)
Agent Tesla Trojan can evade endpoint protection, Sophos reports
Thu, 4th Feb 2021
#
malware
#
firewalls
#
network infrastructure
Agent Tesla originally surfaced in 2014. It is widely available on criminal marketplaces, and continues to evolve.
![Story image](../../../../../uploads/story/2020/08/13/preview_GettyImages-1178869952.webp)
Sophos deconstructs Dharma, the 'fast food franchise' ransomware
Fri, 14th Aug 2020
#
malware
#
firewalls
#
network infrastructure
Dharma ransomware has become a profitable business for cybercriminals, targeting small and medium businesses with devastating results.