Cyber threats are evolving fast, and small businesses are often the easiest targets. With fewer resources and limited in-house IT, many SMEs are vulnerable to attacks that can cause major disruption, reputational damage and financial loss. At Edmondson’s, we believe that understanding the risks is the first step in defending against them. Here are five of the biggest cyber threats small businesses are likely to face in 2025, along with what you can do to stay protected.

1. Ransomware Attacks Are Getting Smarter

Ransomware remains one of the most dangerous and disruptive cyber threats. Attackers gain access to your systems, encrypt your files and demand payment to unlock them. In 2025, these attacks are becoming more targeted and harder to detect. Criminals are also demanding higher ransoms, knowing that downtime costs businesses even more.

To defend against ransomware, regular off-site and cloud backups are essential. Make sure backups are tested and kept separate from your main network. Use real-time anti-virus software and train staff to avoid clicking on suspicious links or attachments. A proactive IT support team like Edmondson’s can help spot the early signs and prevent ransomware before it takes hold.

2. Phishing Scams Are Becoming More Convincing

Phishing emails are no longer riddled with spelling errors or dodgy links. In 2025, attackers are using AI to create messages that look exactly like they’ve come from your bank, clients or even team members. These emails often aim to trick users into handing over passwords, banking info or access to company systems.

User awareness is key. Staff should be trained to spot common tactics like urgent payment requests or messages asking to ‘verify’ login details. Multi-factor authentication (MFA) should be used wherever possible, as it adds a vital extra layer of security even if passwords are compromised.

3. Poorly Secured Remote Working Tools

More businesses now rely on remote access solutions like VPNs, VoIP systems and cloud file sharing. While these tools bring flexibility, they can also introduce risk if not set up or managed properly. Weak passwords, outdated software and unsecured devices all increase the chances of a breach.

Secure remote working starts with good setup and regular updates. At Edmondson’s, we help clients protect their remote systems using tools like Chrome Remote Desktop, Office 365 and encrypted cloud storage. Devices should be monitored, software kept up to date and access permissions reviewed regularly to reduce exposure.

4. Insider Threats and Human Error

Not all cyber risks come from outside. Mistakes made by employees, or deliberate actions by disgruntled staff, can lead to data loss or security breaches. Whether it’s accidentally emailing sensitive info or using an unsecured USB stick, human error remains one of the most common causes of cyber incidents.

To protect against this, clear policies should be in place around data use, email, passwords and device management. Regular training helps staff understand their role in keeping the business secure. Advanced tools like document control and automated email security can also reduce the risk of info falling into the wrong hands.

5. Outdated or Unsupported Systems

Running old software or unsupported operating systems can leave your business wide open to attack. Hackers often target known vulnerabilities in outdated systems, and without updates or patches, there’s little defence.

Businesses should have a plan for keeping software and hardware up to date. That includes migrating away from legacy systems when needed and making sure firewalls and anti-virus solutions are current. Edmondson’s offers IT health checks to help spot weak points and advise on affordable upgrades, ensuring your business isn’t left behind.

Stay Ahead of Cyber Threats in 2025

The reality is, no business is too small to be targeted. Cyber criminals often go after easier wins, and that includes small firms with limited defences. By understanding the threats and taking practical steps to reduce risk, you can stay ahead of attackers and keep your business running smoothly.

If you’re unsure how secure your current systems are, Edmondson’s offers a free IT health check to help you identify and fix any weak spots. Our expert team can tailor a solution that fits your business, keeps you protected and gives you peace of mind.