Cyber attacks are no longer just a problem for large corporations. Small businesses across Sussex are increasingly being targeted by cybercriminals — and the consequences can be devastating. From ransomware attacks that lock you out of your own files, to phishing emails that steal your passwords, the threats are real and growing every year.
The good news is that most cyber attacks are preventable. Here are our top cybersecurity tips to help keep your Sussex business safe.
1. Use Strong, Unique Passwords
Weak passwords are one of the most common ways hackers gain access to business systems. Avoid obvious choices like your business name or “password123”. Use a mix of uppercase and lowercase letters, numbers and symbols — and never use the same password for multiple accounts. A password manager can help your team keep track of strong passwords securely.
2. Enable Multi-Factor Authentication (MFA)
Multi-factor authentication adds an extra layer of security by requiring a second form of verification — such as a code sent to your phone — in addition to your password. Even if a hacker gets hold of your password, they won’t be able to access your account without that second factor. We strongly recommend enabling MFA on all business accounts, especially Microsoft 365 and email.
3. Keep Software and Devices Up to Date
Software updates often contain critical security patches that fix known vulnerabilities. Delaying updates leaves your systems exposed. Make sure your operating system, antivirus software, browsers and business applications are all set to update automatically — or work with an IT support provider to manage this for you.
4. Train Your Staff
Your employees are your first line of defence against cyber attacks. Phishing emails — fraudulent messages designed to trick staff into clicking malicious links or revealing passwords — are responsible for the majority of cyber breaches. Regular staff training helps your team recognise the warning signs and respond appropriately. Even a short annual cybersecurity awareness session can make a huge difference.
5. Back Up Your Data Regularly
If the worst happens and your systems are hit by ransomware or a hardware failure, a recent backup could save your business. Follow the 3-2-1 rule: keep three copies of your data, on two different types of storage, with one copy stored offsite or in the cloud. Automated cloud backups are the easiest way to ensure this happens consistently without relying on staff to remember.
6. Secure Your Wi-Fi Network
An unsecured or poorly configured Wi-Fi network is an easy entry point for attackers. Make sure your business Wi-Fi uses WPA3 or WPA2 encryption, change the default router password, and consider setting up a separate guest network for visitors so they can’t access your internal systems.
7. Use Business-Grade Antivirus and Firewall Protection
Consumer antivirus software is not enough for a business environment. Invest in business-grade endpoint protection that includes real-time threat detection, ransomware protection and centralised management. A properly configured firewall adds another layer of protection by monitoring and controlling incoming and outgoing network traffic.
8. Have a Plan for When Things Go Wrong
No security system is 100% foolproof. Having a clear incident response plan means that if you do suffer a breach, your team knows exactly what to do — who to call, how to contain the damage and how to recover. Working with a trusted local IT partner means you have expert help on hand when you need it most.
Get a Free Cybersecurity Assessment
Not sure how secure your business really is? ML Services offers a free cybersecurity assessment for businesses across Sussex. We’ll review your current setup, identify any vulnerabilities and give you clear, jargon-free advice on how to improve your protection.