Jessica Entwistle
June 25 2026
Today's briefing highlights the evolving landscape of cyber risks and regulatory challenges that UK organisations face. From the implications of AI in cybersecurity to the operational impact of GDPR's right to erasure, these stories underscore the importance of proactive security measures and regulatory compliance. Additionally, a recent school network vulnerability and a critical Cisco SD-WAN flaw remind us of the ongoing need for vigilance in securing digital infrastructures.
The National Cyber Security Centre (NCSC) has issued a warning about the growing cyber risks associated with artificial intelligence (AI). The NCSC's report highlights how AI technologies are increasingly being targeted by cybercriminals, who exploit vulnerabilities in AI systems to launch sophisticated attacks. The report urges business leaders to integrate robust security measures into their AI development and deployment processes to mitigate these risks.
For UK businesses, this development signifies a critical need to reassess their AI strategies. As AI becomes more embedded in business operations, the potential for exploitation grows. Organisations must ensure that their AI systems are not only effective but also secure, incorporating security considerations from the design phase through to deployment and maintenance. This proactive approach will help safeguard against potential breaches and maintain trust in AI technologies.
For UK businesses, this is a prompt to review AI security protocols. Ensure that AI systems are designed with security in mind, and regularly update and patch AI software to protect against emerging threats.
Source: NCSC UK
IT Governance UK has highlighted the importance of GDPR Article 17, which grants individuals the right to request the erasure of their personal data. This right, also known as the 'right to be forgotten', places significant responsibilities on organisations to ensure compliance. The article outlines the conditions under which data must be erased and the exceptions to this rule, providing a comprehensive overview for businesses navigating GDPR compliance.
For UK organisations, understanding and implementing the right to erasure is crucial. Non-compliance can lead to hefty fines and damage to reputation. Businesses must ensure that they have robust processes in place to handle erasure requests efficiently and within the legal timeframes. This includes training staff on GDPR requirements and maintaining clear records of data processing activities.
This is a prompt for UK organisations to audit their data management practices. Ensure that processes for handling erasure requests are compliant with GDPR, and that staff are adequately trained on these protocols.
Source: IT Governance UK
The Register reports that a UK school's network was left vulnerable due to a misconfiguration, which was discovered by a student. The issue was traced back to an administrative password being exposed in the Active Directory description field, a basic security oversight that could have led to significant breaches if exploited by malicious actors.
This incident serves as a reminder for educational institutions and other organisations to regularly audit their network configurations and access controls. Ensuring that sensitive information such as passwords is not inadvertently exposed is a fundamental aspect of maintaining network security. Educational institutions, in particular, must be vigilant as they often handle sensitive data related to students and staff.
For many organisations, this is a prompt to review network security configurations. Regularly audit access controls and ensure that sensitive information is not exposed in system descriptions or logs.
Source: The Register
The Hacker News has reported on a critical zero-day vulnerability in Cisco's SD-WAN software, which was exploited by attackers months before it was publicly disclosed. The flaw, tracked as CVE-2026-20245, allows authenticated attackers to execute arbitrary commands with elevated privileges. Cisco has since released patches, but the incident highlights the risks associated with unpatched vulnerabilities.
For UK businesses using Cisco SD-WAN, this incident underscores the importance of timely patch management. Organisations must ensure that they have robust processes in place to quickly apply security updates and patches to minimise the window of exposure to such vulnerabilities. Additionally, maintaining a comprehensive inventory of network assets can help in prioritising patch deployment.
This is a prompt for organisations to review their patch management processes. Ensure that all systems, especially critical infrastructure, are regularly updated and patched to protect against known vulnerabilities.
Source: The Hacker News
Effective cybersecurity is built on a foundation of proactive measures, clear processes, and ongoing vigilance. Today's stories highlight the importance of integrating security considerations into every aspect of business operations, from AI development to data management and network security. By fostering a culture of security awareness and ensuring clear ownership of cybersecurity responsibilities, organisations can better protect themselves against evolving threats and regulatory challenges. Remember, mature security practice is about building resilience through consistent and disciplined efforts, not reacting to incidents as they occur.