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5 Critical Network Security Mistakes Small Businesses Make – And How to Avoid Them

Two years ago, 50% of small businesses experienced a cyberattack. While the rate has dipped slightly, cybercriminals still exploit weak networks relentlessly.

Contents

  1. Not updating regularly
  2. Reusing or using weak passwords
  3. Offering public Wi-Fi
  4. Overextending privileged user access
  5. Opening phishing emails

1. Skipping Regular Updates

As cybersecurity professionals with extensive experience securing enterprise networks, we've seen firsthand how failing to update devices is one of the top network security mistakes. Updates aren't just notifications—they patch vulnerabilities that hackers exploit daily.

New patches defend against emerging threats. Unupdated systems are low-hanging fruit for attackers. Implement network monitoring to minimize downtime and ensure timely updates across your infrastructure.

2. Reusing Weak Passwords

Passwords are your network's first line of defense. Weak or reused ones provide easy entry for breaches, compromising sensitive files.

Train employees to craft strong, unique passwords avoiding personal details. A single compromised password can unlock your entire ecosystem—emphasize this in security awareness programs to safeguard company data.

3. Offering Unguarded Public Wi-Fi

Public Wi-Fi seems customer-friendly, but without safeguards, it exposes your network. Employees and guests sharing bandwidth risks data interception.

Segment networks: Isolate employee access from public ones and shield data servers. This proven separation strategy, recommended by industry standards, prevents cross-contamination.

4. Granting Excessive Privileged Access

Reserve admin privileges for vetted users after targeted training. Blanket access invites accidental malware installs or misuse.

Monitor privileges rigorously. Our audits show that least-privilege principles dramatically reduce insider risks without hindering productivity.

5. Falling for Phishing Emails

Phishing emails mimic trusted sources to steal credentials or deploy malware via links and attachments, rapidly infecting networks.

Empower staff with phishing recognition training. Bolster defenses with DMARC, DKIM, and SPF protocols to block spoofed emails at the domain level—essential configurations we've implemented for countless clients.

Steer Clear of These Network Security Pitfalls

Human error fuels most breaches. Comprehensive training and robust systems turn these risks into strengths.

Don't let avoidable mistakes jeopardize your business. Adopt these strategies, pair them with enterprise-grade security tools, and protect your assets effectively.

Explore more enterprise tech insights in our blog.

Infographic created by Donnelley Financial Solutions, a leading digital contract software provider.