Sean Gallagher stories

Sophos report reveals stark reality of cybercrime-as-a-service
Wed, 23rd Nov 2022
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malware
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ransomware
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cybersecurity
The report addresses how ransomware remains one of the greatest cyber crime threats to organisations with operators innovating their extortion tactics.

Attackers using Log4Shell vulnerability to deliver backdoors
Fri, 1st Apr 2022
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malware
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virtualisation
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firewall
Attackers are using the Log4Shell vulnerability to deliver backdoors and profiling scripts to unpatched VMware Horizon servers.

Logjam: Log4j exploit attempts continue in globally distributed scans, attacks
Wed, 29th Dec 2021
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firewall
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network management
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network security
Log4j exploit attempts persist globally, with evidence of scans and attacks, according to Sophos threat researcher Sean Gallagher.

New threat intelligence from Sophos following the Apache Log4Shell vulnerability
Wed, 15th Dec 2021
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malware
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firewall
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ransomware
Sophos warns of a surge in cyberattacks exploiting the Apache Log4Shell vulnerability, with attempts exceeding hundreds of thousands so far.

Sophos discovers new Python ransomware called Memento
Tue, 7th Dec 2021
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malware
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firewall
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ransomware
Cybercriminals are continuously scanning the internet for vulnerable online entry points, and they don't wait in line when they find one.

The growing cybersecurity menace that is Droppers-as-a-Service
Mon, 6th Sep 2021
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malware
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firewall
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network management
Droppers for hire are delivering bundles of malicious content to targets looking for cracked versions of popular business and consumer applications.

Agent Tesla Trojan can evade endpoint protection, Sophos reports
Thu, 4th Feb 2021
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malware
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firewall
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network management
Agent Tesla originally surfaced in 2014. It is widely available on criminal marketplaces, and continues to evolve.

Sophos deconstructs Dharma, the 'fast food franchise' ransomware
Fri, 14th Aug 2020
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malware
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firewall
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ransomware
Dharma ransomware has become a profitable business for cybercriminals, targeting small and medium businesses with devastating results.