Cloak Ransomware

Cloak ransomware may have entered your system through several common attack vectors, including:

• Phishing emails

• Initial Access Brokers (IABs) selling compromised credentials

• Exploited system vulnerabilities

• Drive-by downloads or malicious ads

• Weak user controls enabling privilege escalation mechanisms

To reduce the risk of future infections, we recommend the following best practices:

• Educate staff regularly on cybersecurity awareness

• Enforce strong, unique passwords

• Implement multi-factor authentication across all accounts

• Remove inactive or unnecessary user accounts

• Perform regular, secure backups and test them

• Apply software and system updates promptly

• Monitor user activity for signs of abnormal or unauthorized access

After recovering from a Cloak ransomware incident, Solace Cyber strongly recommends updating your business continuity and incident response plans to reflect the lessons learned during the attack and recovery process.

Facing genuine pressure, there's a crucial decision to make - one that could rescue your organisation from weeks of operational standstill, reputation damage, and client data loss. Yet, the probability of a favourable outcome remains slim, emphasising the importance of engaging a specialised ransomware incident response team. They are your most viable recourse for navigating a ransomware incident.

The NCSC have documented the deliberations for paying ransomware: https://www.ncsc.gov.uk/ransomware/home

Important Reminder: It is a criminal offense to pay money to people who are subject to financial sanctions. The list of who is subject to financial sanctions is constantly changing.

The latest iteration can be found here: https://www.gov.uk/government/publications/financial-sanctions-consolidated-list-of-targets

A ransomware attack presents the most significant threat to your business by:

• Disabling your access to systems, which could hinder machinery operation or impede progress through your business processes.
• Blocking access to critical data concerning suppliers, shipments, customers, orders, or steps in your business workflow.

In the event of a business interruption, identifying your position in the supply chain and sustaining operations can be challenging. If the disruption continues, maintaining business continuity becomes critical. Once systems and data are restored, addressing backlogs and establishing future operational protocols are essential.

Ransomware ranks only behind receivership in terms of its capacity to incapacitate a business.

The NCSC is the UK National Cyber Security Centre. They provide cyber security guidance and support, helping to make the UK the safest place to live and work online. They have defined a Cyber Incident Response procedure and they have approved and accredited suppliers to provide this service.

https://www.ncsc.gov.uk/

As a recognised Assured Service Provider by the National Cyber Security Centre (NCSC), Zensec provide comprehensive cyber risk management services that are designed to Protect, Detect & Mitigate cyber security threats across the UK.

Report Fraud is the UK's national reporting centre for fraud and cybercrime. Whether you have been scammed, defrauded, or experienced cybercrime in England, Wales, or Northern Ireland, Report Fraud offers a central point of contact for information on fraud and financially motivated cybercrime.

https://www.reportfraud.police.uk/https://www.actionfraud.police.uk/

Initial Access Brokers are cybercriminals who specialise in gaining unauthorised access to corporate networks, which they then sell or rent to other threat actors. This access often includes compromised credentials, VPN connections, or remote desktop protocol (RDP) endpoints.

A ransomware attack is a type of cyber crime where malicious software encrypts a victim’s data, making it inaccessible. The attacker then demands a ransom, often in cryptocurrency, in exchange for a decryption key. Many modern ransomware attacks also involve stealing data to increase pressure on the victim (a tactic known as double extortion).