The Biggest Cybersecurity Mistakes Businesses Still Make

12 June 2026

Cybersecurity threats continue to evolve, but many successful attacks still rely on the same basic weaknesses. While sophisticated hacking techniques grab the headlines, it's often simple oversights that leave businesses vulnerable.

Whether you're a small business or a growing organisation, avoiding a few common mistakes can significantly improve your security posture and reduce the risk of costly downtime, data loss, or reputational damage.

1. Using Weak Passwords

Despite years of security awareness campaigns, weak passwords remain one of the biggest cybersecurity risks.

Passwords such as "Password123", company names, or simple variations of personal information can often be guessed or cracked surprisingly quickly.

What to do instead:

• Use long, unique passwords for every account.
• Consider using a password manager to generate and store passwords securely.
• Enable multi-factor authentication (MFA) wherever possible.

A strong password combined with MFA provides a much stronger defence against unauthorised access.

2. Sharing User Accounts

Many businesses still share login credentials between employees for convenience. While it may seem harmless, shared accounts create several problems:

• No accountability for actions taken.
• Increased risk if credentials are compromised.
• Difficulty removing access when staff leave.
• Potential compliance and auditing issues.

Best practice:

Every employee should have their own account with permissions appropriate to their role. This improves both security and visibility across your systems.

3. Ignoring Software Updates

Software vendors regularly release updates to fix security vulnerabilities. Delaying these updates can leave systems exposed to known threats that attackers actively target.

This applies to:

• Operating systems
• Business applications
• Web browsers
• Network equipment
• Mobile devices

Best practice:

Implement a structured patch management process and enable automatic updates where appropriate. Regular updates help close security gaps before they can be exploited.

4. Poor Backup Practices

Many businesses assume their backups are working until they need them. Unfortunately, that's often when problems are discovered.

Common backup mistakes include:

• Not backing up critical data.
• Storing backups in the same location as production systems.
• Failing to test backup restoration.
• Keeping only a single backup copy.

Best practice:

Follow the 3-2-1 backup principle:

• Keep 3 copies of your data.
• Store them on 2 different types of media.
• Keep 1 copy off-site or in the cloud.

Regularly test your backups to ensure they can be restored quickly when needed.

5. Lack of Employee Cybersecurity Awareness

Technology alone cannot prevent every cyber attack. Employees are often the first line of defence and, unfortunately, a common target for cybercriminals.

Without proper training, staff may:

• Click malicious links.
• Open dangerous attachments.
• Share sensitive information with attackers.
• Fall victim to phishing scams.

Best practice:

Provide regular cybersecurity awareness training and encourage employees to report anything suspicious without hesitation.

6. Giving Users More Access Than They Need

The more access an account has, the greater the potential impact if it becomes compromised.

Many businesses provide administrator privileges or broad access permissions simply because it's easier.

Best practice:

Apply the principle of least privilege. Employees should only have access to the systems and data required to perform their job responsibilities.

7. Assuming "It Won't Happen to Us"

One of the most dangerous cybersecurity mistakes is believing your business is too small or unimportant to be targeted.

In reality, attackers often focus on smaller organisations because they typically have fewer security controls and limited resources dedicated to cybersecurity.

Every business handles valuable data, whether it's customer information, financial records, or operational systems.

How Maple Can Help

Cybersecurity doesn't have to be complicated, but it does require consistency. Addressing common issues such as weak passwords, outdated software, inadequate backups, and poor access controls can dramatically reduce your risk.

At Maple, we help businesses strengthen their cybersecurity with proactive monitoring, security best practices, backup solutions, user awareness training, and ongoing IT support. If you'd like to review your current security posture and identify potential risks, our team is here to help - get in touch.