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Cybersecurity defence essentials: Must-know strategies for businesses | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #ransomware

The cybersecurity landscape is always changing, posing an increasing number of complex threats to businesses. George Symons, Vice President of Strategy for Cloud, Infrastructure, and Security at Persistent Systems, discusses the most prevalent and developing cyber threats that organisations face today. Symons points to the shift from conventional forms of threats such as malware and phishing schemes to sophisticated assaults propelled by artificial intelligence, machine learning, and deepfakes. Symons states that in order to mitigate the effects of these sophisticated threats, businesses must implement comprehensive cybersecurity strategies that include continuous surveillance, AI-powered threat detection, and resilience.


What are the most prevalent and emerging cyberthreats that businesses deal with these days, and how have they evolved?

The cybersecurity landscape has increased in complexity in recent years with the rise of emerging technologies like cloud computing, the Internet of Things (IoT), artificial intelligence, and 5G networks. A couple of years ago, businesses primarily dealt with traditional threats like malware, DDoS attacks, and phishing scams. However, now they face a wide array of advanced attacks by cybercriminals leveraging AI, machine learning, and deepfakes. This includes ransomware strains that maliciously utilise AI to rapidly spread while evading detection, compelling deepfake media for social engineering and corporate espionage, and automated password cracking. To combat these evolved threats, businesses can no longer rely solely on legacy security measures. They require a multi-layered cybersecurity strategy incorporating AI-driven threat detection, advanced encryption, continuous monitoring, robust access controls, security awareness training, proactive threat hunting, and incident response planning. Protecting networks, endpoints, data, and user identities is crucial as threat actors develop more sophisticated attack methods.

In what ways can organisations utilise threat intelligence to proactively detect and address cyber threats? 

While threat intelligence can empower proactive defence, it requires a holistic, platform-driven approach to be truly effective. Beyond integrating contextual intelligence sources, enterprises must weave intelligence into security orchestration across people, processes, and technology stacks. This enables timely security control updates, targeted vulnerability management, and cultivating security-aware cultures—vital for combating stealthy social engineering campaigns. In addition, threat intelligence can be utilised by leveraging Generative AI to capture different public and private feeds that track risks and attacks, helping organisations determine which risks they are prepared for and which ones they need to focus on closing. Contextual intelligence combined with automated response capabilities underpins resilience.

With the increasing adoption of cloud services, what strategies are essential for ensuring robust cyber recovery and resilience in cloud environments?

Cloud security is a shared responsibility between the hyperscaler and the customer.  The customers must focus on robust cloud security posture management. This includes workload protection via cloud-native services, micro-segmentation, and encryption to mitigate lateral threats. However, resilience also necessitates stringent identity controls, privileged access governance, and systematic backup/recovery strategies aligned to business continuity needs. Regular drills evaluating incident response are key to validating recovery mechanisms.

How does the adoption of a zero-trust framework contribute to enhancing cyber resilience?

Zero trust enables cyber resilience by enforcing least-privilege access based on continuous verification of user and device trust for each application and piece of data. It protects critical assets through micro-segmenting environments, containing breach impact and thwarting threat propagation. Critically, zero trust drives a security-conscious culture—”never”trust, always”verify”—sharpening resilience by minimising the human attack vector.

In what ways can organisations improve their cybersecurity resilience through collaboration and information sharing with peers and stakeholders, and what role does this play across industries?

In the ongoing battle against escalating cyber threats, collaboration and information sharing play a vital role in improving cybersecurity resilience across and within industries. By actively participating in industry-specific information sharing and analysis centres (ISACs), government/public organisations, or other collaborative forums, organisations can access timely, actionable threat intelligence, best practices, and lessons learned from peers facing similar challenges. This collective knowledge empowers more informed risk assessments, strengthens incident response strategies, and drives the development of effective security controls tailored to the unique risks faced by specific sectors. Furthermore, cross-industry collaboration facilitates the sharing of resources, expertise, and innovative solutions, enabling organisations to stay ahead of evolving cyber threats collectively. Ultimately, this collaborative approach fosters a more resilient and secure ecosystem for all participants, as unified resilience through public-private partnerships and robust information-sharing mechanisms creates a formidable deterrent against threat actors.


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National Cyber Security