Cybersecurity on a Budget: Protecting Your Small Business from Data Breaches

Do you know what’s more expensive than preventing a data breach? Experiencing a data breach. Businesses of all sizes are vulnerable to cyberattacks, and small businesses with tight budgets may not have the resources needed to survive an incident. Protect your business by implementing affordable strategies to minimize the chance of a data breach.

Small Businesses Have Big Risks

A 2025 study from Coalition found that small businesses tend to underestimate their cyber risks. Although 90% of small businesses admitted that they had experienced a cyberattack at some point, 64% still believed they were too small to be targeted. Unfortunately, size does not protect you. Around 43% of cyberattacks target small businesses, which may be seen as easier targets compared to larger businesses with robust cybersecurity measures in place.

When a cyberattack strikes, it can be costly. According to a report on small and medium-sized businesses from Devolutions, the average cost of a data breach is $4.54 million for organizations of all sizes. For small to medium-sized companies, the average cost ranges from $120,000 to $1.24 million.

A loss of $120,000 sounds a lot better than a loss of $4.54 million, but for a small business with little in the way of cash reserves, it can be just as ruinous.

On top of the direct costs associated with dealing with the attack and complying with data breach notification requirements, you’re also looking at reputational damage. If your customers know that you let hackers get ahold of their personal information, potentially exposing them to identity theft, will they trust you with their information again?

How Data Breaches Strike Small Businesses

Data breaches can occur in a number of ways, including:

• Exploitation of vulnerabilities. For example, unpatched software can result in security flaws that hackers can use to access your system. Cloud misconfigurations are another possible entry point for hackers.
• Social engineering. Cybercriminals often use phishing and social engineering tactics to trick people into revealing sensitive information or clicking on malicious links. These attacks have become more convincing and more frequent as hackers utilize new AI tools.
• Third-Party compromises. If a vendor or partner experiences a cyberattack or data breach, your information could be exposed. Hackers may also infiltrate vendor systems in order to attack downstream businesses.
• Physical access. If your devices fall into the wrong hands, any sensitive information stored on those devices could be exposed.
• Ransomware attacks often involve the threat of public release of sensitive data.
• Inside jobs. Employees and former employees can also cause data breaches. Disgruntled former employees who still have access to sensitive information are a particular risk.

Protecting Your Business Doesn’t Have to Cost a Fortune

If you’re operating on a small budget, there are still steps you can take to reduce the risk of a cyberattack and data breach. In fact, some best practices don’t require any money at all.

• Update your software as soon as patches become available. When vulnerabilities are discovered, patches are needed to eliminate the exposure. If you don’t install updates immediately, a hacker might have time to attack. When possible, use the automatic update settings to ensure there’s no delay.
• Be vigilant against phishing and social engineering. Always be suspicious of messages asking you to provide information or click on a link. Hackers frequently pose as trusted contacts and may have some information about your business. Be vigilant and train your employees to be cautious. CISA offers resources on how to train employees.
• Maintain strong password best practices. Use strong passwords and multifactor authentication to keep accounts safe. Update passwords as necessary, for example, after a security incident or when employees with password access leave your company.
• Keep physical devices secure. In addition to limiting who has access to devices with sensitive information, you can use passwords and encryption. CISA has instructions on how to encrypt files on different types of devices.
• Control access. Restrict who has access to sensitive information, keeping it on a need-to-know basis. Also make sure you’re using a secure, password-protected network and router – public Wi-Fi networks are not secure.

Some Cybersecurity Investments May Be Worthwhile

Even with a tight budget, some cybersecurity measures may be worthwhile, especially when you consider the high cost of a data breach.

Two options to consider:

• Robust firewall, antivirus and cyber intrusion detection systems. There are affordable options for small businesses.
• Cyber insurance. If you experience a cyberattack, insurance can help you recover quickly.

For more tips on how to protect your small business, see the FTC’s Cybersecurity for Small Businesses and FCC’s Cybersecurity for Small Businesses.

Need more help protecting your small business? Heffernan Insurance Brokers provides customized insurance for small businesses. Learn more.