How AI is transforming cybersecurity

TBS Illustration.

In today's digital world, every click, email, and online purchase brings both convenience and risk. Cybercriminals are becoming smarter, but luckily, so is technology. Artificial Intelligence (AI) is emerging as our digital guardian, working tirelessly in the background to protect us from threats we may not even realise exist. This transformative technology is reshaping how we think about cybersecurity, making the digital space safer for everyone.

AI has a unique ability to process massive amounts of data in real time, much like a vigilant security guard who never sleeps. Traditional cybersecurity methods, which rely on fixed rules and human intervention, often struggle to keep up with the ever-changing tactics of cybercriminals. AI steps in as a game-changer. 

By analysing network activity, it can spot unusual behaviour — like someone trying to break into your digital accounts — and act immediately. It is like having a digital detective that not only catches bad guys but also predicts their next move.

AI is transforming email security by detecting phishing attempts that are designed to trick users into revealing sensitive information. For example, AI analyses the content and tone of emails to identify fraudulent messages that mimic trusted brands. This helps protect both individuals and businesses from falling victim to scams. 

In the financial sector, AI plays a critical role in fraud prevention by analysing transaction patterns in real time. If it detects an unusual purchase or transfer, it can immediately flag or block the transaction, safeguarding users' financial assets. AI also strengthens network security by continuously monitoring traffic and detecting anomalies such as unauthorised access or data exfiltration. Businesses can rely on these capabilities to ensure that their sensitive customer information remains secure.

AI enhances endpoint protection by identifying vulnerabilities in devices such as laptops, smartphones, and IoT devices. If a device is compromised, AI-powered systems can isolate it from the network to prevent malware from spreading further. 

Organisations are also using AI to defend against ransomware attacks by spotting early signs, such as suspicious file encryption activities. This allows them to act quickly and shut down compromised processes before critical data is locked. 

Additionally, AI boosts identity and access management by analysing user behaviour and identifying anomalies, such as login attempts from unusual locations, ensuring secure access to digital systems.

Incident response and recovery are also areas where AI excels. During a cyberattack, AI-powered platforms provide real-time insights to security teams, enabling them to contain the attack swiftly. After the incident, AI helps assess the damage and recommends measures to strengthen defenses. 

Governments and utility companies are leveraging AI to secure critical infrastructure, such as power grids and water systems, by monitoring operational data for irregularities that might signal a cyberattack. Similarly, organisations use AI to secure their supply chains by identifying risks, such as vulnerabilities in third-party software or vendors, and taking proactive measures to mitigate them.

AI also contributes to human-centric solutions by improving employee training and awareness. For instance, AI-powered simulations create realistic phishing attacks or cyber incidents to train employees on how to recognise and avoid threats. By addressing the human element of cybersecurity, AI strengthens overall defences, which are often only as strong as their weakest link.

AI isn't just for businesses; it benefits everyone. It protects your email inbox from scams, secures your online shopping, and ensures the safety of your personal data on social media. Many countries are already using AI to protect critical systems. Singapore, for instance, employs AI to defend its essential services like healthcare and transport from cyberattacks. Estonia, a pioneer in digital governance, relies on AI to secure its national databases and digital identities. 

In the United Kingdom, AI systems are enhancing national cybersecurity efforts by protecting critical infrastructure and public services. Australia is increasingly integrating AI into its cybersecurity strategies to counter rising cyber threats, safeguarding both public and private sectors. The United States leverages AI in federal agencies to monitor large-scale networks and identify potential threats in real time.

Experts agree that AI is indispensable in today's fight against cybercrime. Dr Nicole Eagan calls it "the immune system for our digital world," while Bruce Schneier emphasises that AI is no longer just an advantage but a necessity in cybersecurity. These insights highlight how AI's role goes beyond convenience — it is about building trust and safety in an increasingly interconnected world.

Consider this: according to studies, by 2025, 75% of organisations will use AI to protect their digital systems. This isn't surprising, given that AI can reduce response times during cyberattacks from hours to seconds. The global market for AI in cybersecurity is expected to double within the next five years, emphasising how vital this technology is becoming.

However, as powerful as AI is, it's not perfect. Challenges like high costs, ethical concerns, and even the potential misuse of AI by cybercriminals need to be addressed. But with the right safeguards and skilled professionals, AI's benefits far outweigh its risks. Governments, businesses, and individuals must work together to ensure AI is used responsibly and effectively.

Imagine a world where your online activities are safe, your personal data is secure, and cyber criminals find it nearly impossible to succeed. That's the promise of AI in cybersecurity. By embracing this technology today, we can create a safer, more trustworthy digital future for everyone. Whether it's protecting your email from scams or safeguarding national infrastructure, AI is not just a tool; it's our strongest ally in the fight against cyber threats.

B M Zahid ul Haque is an experienced CISO and Cyber Digital Transformation Strategist. The author can be reached at bmzahidul.haque@gmail.com.

Disclaimer: The views and opinions expressed in this article are those of the author and do not necessarily reflect the opinions and views of The Business Standard.