Cyber security is often perceived as complicated and intimidating—but it doesn’t have to be. In this article, we’ll explore how cyber security has changed over the years and the strategies professionals use today to protect networks and data.
Early Cyber security: Perimeter and Antivirus Protection
When I first started in IT, cyber security mainly revolved around network perimeter security and signature-based antivirus. Think of perimeter security like locking your doors and windows or having a security guard at every entry point, checking who can enter or exit.
However, no defence can stop every attack. Trojan horses, for example, have long been used to smuggle harmful software disguised as something safe. Once inside, these threats can bypass perimeter defences and wreak havoc.
Intrusion Detection and Prevention: Evolving Defences
To combat these threats, intrusion detection systems (IDS) were introduced—like CCTV for your digital environment. But detecting an intruder is only helpful if you can respond. That’s where intrusion prevention systems (IPS) come in, acting like internal security guards to stop the intruder once detected.
Modern Cybersecurity: Layered Protection
Today’s cybersecurity landscape is more complex, requiring a multi-layered approach. Firewalls still play a vital role as perimeter defences, but modern threats target multiple entry points—especially email and web browsing. Most attacks now come via email, making email security essential.
Endpoint Detection and Response (EDR) has also become critical. Unlike traditional antivirus, EDR solutions monitor the behaviour of applications and data to identify unusual activity. These tools help identify, isolate, and neutralise potential threats before they cause harm.
The Need for a Layered Approach
There’s no single cybersecurity solution that can block every possible attack. To reduce risks, companies should implement a combination of:
- Firewalls and Perimeter Security
- Endpoint Detection and Response (EDR)
- Email Security Solutions
- Data Backup Solutions
Regular backups are essential to recover any data compromised during an attack. In addition, all cybersecurity solutions need to evolve continually to stay ahead of cybercriminals.
Advanced Cybersecurity Services: SOC and SIEM
Because threats evolve so quickly, many businesses invest in Security Operations Centres (SOC) and Security Information and Event Management (SIEM) services. These systems collect and analyse data from across your network to raise alerts for potential issues. While effective, they can be expensive.
How Castra Solutions Can Help
At Castra Solutions, we work closely with our clients to assess their cybersecurity risks, compliance requirements, and security concerns. We recommend solutions such as:
- Hornet Total Security Suite: Provides email security, backup for Microsoft 365, compliance reporting, and cybersecurity awareness training.
- Heimdal MXDR: Offers managed endpoint detection and response (EDR) with 24/7 SOC services and patch management. It can patch most Windows applications, not just the OS, providing a higher level of protection.
By using less common solutions like these, attackers may spend less time finding vulnerabilities, giving you an edge.
Want to Learn More?
If you’d like to explore how Castra Solutions can enhance your cybersecurity or see a demo of our products, contact our team today.
