Brown & Brown Blog | Insurance and Risk Insights

5 Key Cyber Threats Every Business Should Know

Written by Joseph Yates | Dec 12, 2025 5:00:00 AM

Cyber‑crime is no longer the preserve of major multinationals. Smaller and mid‑sized businesses face real threats - often with fewer resources to respond.

  • Phishing & Business‑Email Compromise (BEC)
    A common approach where attackers impersonate legitimate contacts to trick staff into revealing credentials or transferring funds.
  • Ransomware / Malware attacks
    Malicious software that encrypts or holds your data hostage: the cost isn’t just the ransom, but downtime, reputational harm and recovery costs.
  • Social engineering
    Attackers may manipulate people rather than systems - e.g., posing as service desk, supplier or trusted partner.
  • Data breach / exfiltration
    Attackers could steal personal or business‑critical data: this triggers regulatory, legal and brand risks.
  • Supply‑chain / vendor compromise
    Your systems may be secure - but your vendors or partners might not be. Attackers can often exploit weaker links.
  • Conduct a staff awareness session at least once per year.
  • Review access controls and minimise privileged accounts.
  • Keep backups off‑site and test recovery.
  • Ask your suppliers: how do they secure our data? When was their last audit?

These are just a few examples out of many steps you could consider to help keep your business safe online.

These aren’t theoretical possibilities - they are happening now, to UK organisations large and small. Strengthening cyber resilience is a strategic business need, not just an IT issue.

Brown & Brown are committed to helping you arrange insurance solutions for a range of eventualities.

Learn more or request a quote today!