Chris Dimitriadis’ Post

“Failing to comply with their approved security plan by not arranging for annual health checks of their information technology systems by an authorized check scheme tester.” This was just one of the reported failings that this nuclear facility was charged with, but a significant one. It’s good that a security plan exists, but it’s negligent that routine checks were not conducted to audit the existing controls’ capabilities. #TLDR; Neglecting routine checks can undermine the effectiveness of security controls, potentially leading to significant vulnerabilities and regulatory repercussions. This highlights the necessity of continuous monitoring and evaluation to maintain the integrity and resilience of critical infrastructure. #criticalinfrastructure #protection #cybersecurity #regulators #cyber #resilience

Cyber Security can be complex and expensive for businesses however it is already late and need more attention. As per World Economic Forum, cyber security is among the top 10 risks for the world. Critical National Infrastructure needs special focus. The UK’s most hazardous nuclear site, Sellafield, has been hacked into by Nation state actors, the Guardian can reveal. #informationsecurity #cybersecurity

Not what I expected to read on a Monday morning, but it is big news in cybersecurity! The Sellafield nuclear site in the UK recently pleaded guilty to cybersecurity failures, highlighting the critical importance of robust IT and operational technology health checks.  Despite facing allegations, they assured no public safety was compromised.  As someone passionate about cybersecurity and risk management, I am strongly reminded of our ongoing responsibility to safeguard sensitive information and infrastructure.  Let's stay vigilant and proactive in our efforts to protect against cyber threats. Read more here. https://lnkd.in/gyBHUq-7 #cybersecurity #riskmanagement #leadership #cybersecurityleader

This past week has seen reports of another Cyber Attack on a large UK #criticalinfrastructure (CNI) organisation. The Guardian has revealed disturbing network vulnerabilities in Europe’s most hazardous nuclear site, Sellafield. Read More: https://lnkd.in/eFG3zWcR 🔐 Its time we as a Nation we stepped up to increase the resilience of our Networks and data security as Cybercriminals are not going anywhere, and their methods are becoming more and more sophisticated with the use of #AI. ❓ What are you doing to build your end users as a key part and the last line of your Cyber Security Defence #Government #Cybersecurity #Vulnerabilities KnowBe4 Partners Jake Hill Tom Engel Teddy Burton

🌐 Cybersecurity Alert: Sellafield Nuclear Site Targeted in Hacking Incident 🚨 I came across this alarming news from The Guardian (link below) reporting that Sellafield, a critical nuclear site, has fallen victim to a cyber attack orchestrated by groups believed to be from Russia and China. In an era where the digital landscape plays a pivotal role in our infrastructure, this incident underscores the pressing need for robust cybersecurity measures. It's a stark reminder that organizations, especially those managing sensitive facilities, must stay vigilant against evolving cyber threats. Let's engage in a conversation about the importance of investing in cybersecurity, sharing insights on how we can collectively strengthen our defenses. 💻 🛡️ #Cybersecurity #SellafieldHacked #CyberThreats #DigitalSecurity #Russia #China #TechNews #LinkedInDiscussion

#Sellafield nuclear site #hacked by groups linked to Russia and China The UK’s most hazardous nuclear site, Sellafield, has been hacked into by cyber groups closely linked to Russia and China, the Guardian can reveal. The astonishing disclosure and its potential effects have been consistently covered up by senior staff at the vast nuclear waste and decommissioning site, the investigation has found. The Guardian has discovered that the authorities do not know exactly when the IT systems were first compromised. But sources said breaches were first detected as far back as 2015, when experts realised sleeper malware – software that can lurk and be used to spy or attack systems – had been embedded in Sellafield’s computer networks. #infosec #cyberbaseconsulting #cybersec #cyber #informationsecurity #cybersecurity #cyberattack

The recent news about the Sellafield nuclear site in England reveals a concerning cybersecurity situation. An investigation by The Guardian uncovered the presence of sleeper malware in the site's IT networks, potentially used for spying or attacking systems. This malware might still be active. The allegations suggest that groups linked to Russia and China could be involved in hacking the site's IT systems. These security breaches reportedly date back to 2015 and were not disclosed to regulators for several years. While Sellafield Ltd. denies successful attacks by state actors, the energy secretary, Claire Coutinho, has emphasized the urgent need to address these cybersecurity threats, highlighting the importance of treating them with the highest level of priority. In light of these revelations, the concept of defense-in-depth is crucial for protecting critical infrastructure like nuclear facilities. This multi-layered strategy employs a variety of security measures to protect against a broad range of threats. Here are some key components of defense-in-depth that could be relevant: 1. **Network Segmentation and Isolation**: Critical systems, especially those handling sensitive nuclear material, should be segmented and isolated from general IT networks to prevent the spread of malware and limit access to critical systems. 2. **Regular Security Audits and Monitoring**: Continuous monitoring and regular security audits can help identify vulnerabilities and unusual activities, allowing for timely intervention. 3. **Sleeper Malware Detection**: Implementing advanced threat detection systems capable of identifying sleeper malware, which remains dormant until activated, is essential. 4. **Robust Access Controls**: Strict access controls, including multi-factor authentication and rigorous vetting of personnel, can prevent unauthorized access. 5. **Employee Training and Awareness**: Regular training for staff on cybersecurity best practices and emerging threats can help prevent security breaches. 6. **Rapid Incident Response Plan**: Having a well-prepared incident response plan can ensure quick and effective action in the event of a cyber attack. 7. **Collaboration with Cybersecurity Agencies**: Partnering with national cybersecurity agencies and experts can provide additional expertise and resources for threat detection and response. By integrating these defense-in-depth strategies, nuclear facilities like Sellafield can strengthen their cybersecurity posture and better protect against the complex and evolving landscape of cyber threats. Goldilock #Drawbridge #Segmentation #Isolation #DefenseInDepth

Ashleigh Roddham diving deep into some of the reasons and examples of why cyber security is crucial in any sectors but especially in the Defence and Nuclear markets where it is National Security data. Well Said Ashleigh! If your needing any Cyber hires please get in touch with us and we can provide a great supporting team! #cyber #cybersecurity #cyberhires

Transparency is vital in managing cybersecurity risks, especially in critical infrastructure sectors like energy, healthcare, or manufacturing. Concealing such breaches can worsen risks, hinder response efforts, and, more importantly, displace public trust. The C-suite, boards of directors, and leaders must acknowledge vulnerabilities and work collaboratively to address them openly. The uncertainty around eradicating the malware highlights the complexities in dealing with advanced persistent threats. Sleeper malware can remain undetected, creating systemic vulnerabilities. This issue emphasizes the need for organizations to implement frameworks to track assets, monitor systems and data continuously, and be prepared for incidents or events when they arise. #cybersecurity #securityawareness #securityawarenesstraining #ICS #industrialcontrolsystems #OT #otcybersecurity

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