Proactive cybersecurity strategies play a key role in tackling growing ransomware threats and effective cyber risk mitigation.
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Author: Tom Mooney

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Over the years, the threat of cyber attacks has grown. However, despite the average cost of recovering from an attack standing at £21,000 on average, many businesses do not have a formal cybersecurity incident management plan in place,1. Furthermore, around 50% of UK businesses reported a cyber-attack in 2024 and just 31% of businesses and 26% of charities carried out a cyber security risks assessment. This is concerning and reveals that businesses are not adequately protecting themselves from a cyber event from happening and may be left footing some of the costs due to the fact they are unprotected.

Cyber criminals are continually evolving their tactics and methods of attack, meaning it is difficult for businesses to keep themselves protected. A recent report revealed that only 25% of organisations believe they were not hit by ransomware in 2023, whilst 49% attest they were hit between one and three times that year2, meaning that these types of attacks are a growing issue for many businesses. Cyber criminals carryout ransomware attacks by gaining access to a business’s devices and systems, and any data stored, through encrypting files. Cyber criminals usually lock any devices they access or encrypt data, so that a business is unable to recover any data that they own.

One of the most prolific ransomware groups is RansomHub which gained notoriety in 2024 following high profile attacks. RansomHub is a ransomware-as-a-service (RaaS) affiliate program which has developed a piece of ransomware technology and leases it to affiliates who then carry out attacks. Attackers use RansomHub’s software to break into a businesses systems, extract sensitive data, and then encrypt the organisation’s systems so that only they have access to the data. The affiliates carrying out the attack claim the majority of the ransom amount and handover the rest to RansomHub. From there, businesses are forced to pay a ransom in exchange for decryption of the data that was stolen. In addition, cybercriminals may threaten to leak sensitive data that was stolen which could cause substantial reputational damage to an organisation3.

Ransomware attacks impact all sectors and businesses of varying sizes. RansomHub has provided criminals with easier access to a means of attack, meaning that a higher number of businesses could find themselves on the receiving end of an attack. There are a range of things that businesses can do when it comes to protecting their businesses against ransomware attacks. An important step to consider is putting in place multi-factor authentication (MFA) which provides an additional layer of protection when it comes to signing into systems. MFA strengthens security by requiring users to provide at least two pieces of evidence, or authentication factors, to prove their identity. By requiring multiple authentication factors, MFA provides a higher level of assurance about the user’s identity. Even if one of the factors has been compromised, the chances that all of the factors have been compromised are low.

Having robust preventative measures in place is key when it comes to cyber threats. Gallagher’s dedicated cyber risk management team works closely with clients to pinpoint areas of vulnerability, reduce the likelihood of a breach, and give them the tools they need to get back up and running with as minimal damage as possible if one does occur. Gallagher’s Cyber Defence Centre provides businesses with access to cyber-attack mitigation strategies and defences so that businesses can stay protected and, should the worst happen, get back up and running following any disruption that has occurred.

Author Information


Sources

1. “UK Cybercrime Statistics 2025,” Twenty Four IT Services, 2 January 2025.

2. “EMEA Ransomware Attack Insights from 2024 Ransomware Trends Report,” Veeam Insights, accessed 7 February 2025. Gated file.

3. “Ransomware - A guide to ransomware,” National Cyber Security Centre, gov.uk, accessed 7 February 2025.


Disclaimer

The sole purpose of this article is to provide guidance on the issues covered. This article is not intended to give legal advice, and, accordingly, it should not be relied upon. It should not be regarded as a comprehensive statement of the law and/or market practice in this area. We make no claims as to the completeness or accuracy of the information contained herein or in the links which were live at the date of publication. You should not act upon (or should refrain from acting upon) information in this publication without first seeking specific legal and/or specialist advice. Arthur J. Gallagher Insurance Brokers Limited accepts no liability for any inaccuracy, omission or mistake in this publication, nor will we be responsible for any loss which may be suffered as a result of any person relying on the information contained herein.