Book a free 30 minute consultation

Verizon DBIR 2025: Why Most UK Small Businesses Are Still One Login Away From a Breach

Want to know how exposed your business actually is?

Most of the issues in the DBIR don’t show up until it’s too late. We can quickly review your setup and highlight where the real risks sit.

Book a quick security check

Most businesses don’t get breached because of some advanced attack.

They get breached because:

  • Someone clicks something they shouldn’t
  • A login gets reused
  • Or a system just wasn’t patched in time
 

The Verizon 2025 Data Breach Investigations Report doesn’t change that story. It confirms it.  If you’re running a small business, it’s a useful reality check: most attacks are still predictable… and preventable.

I speak to a lot of small businesses who assume they’re “too small” to be targeted.

The DBIR says the opposite.

1. Third-party risks: The weakest link?

30% of breaches now involve third parties

This isn’t about “suppliers being hacked somewhere else.” It’s things like:

  • A contractor with too much access
  • A shared login that never got removed
  • A supplier account that no one is monitoring
 

Most businesses don’t track this properly.  That’s where problems start.

Organisations should rigorously vet third-party providers and implement strict access controls.  Cyber Essentials is a good benchmark to check against.

2. Ransomware isn’t going away. It’s getting smarter.

Ransomware still shows up in nearly half of all breaches (44%).  The good news? Fewer businesses are paying.  The problem? Attacks are landing more often in the first place.

This isn’t just about someone clicking the wrong link anymore.

It’s:

  • Vulnerabilities being exploited before they’re patched
  • Attackers moving across multiple systems quietly
  • Malware designed to avoid traditional antivirus
 

By the time ransomware triggers, it’s usually the end of the attack… not the start.

That’s why prevention alone isn’t enough.

You need something that can:

  • See what’s happening on your devices
  • Spot behaviour that doesn’t look right
  • And respond before it turns into downtime
 

This is where platforms like Heimdal and Huntress come in – not just alerting you, but actively helping contain and respond to threats..

3. Exploiting known weaknesses is still one of the easiest ways in

Exploitation of vulnerabilities jumped by 34%.

Not cutting-edge, Hollywood-style attacks… Just known issues that didn’t get fixed in time.  We’re talking about:

  • Firewalls and VPNs exposed to the internet
  • Systems waiting weeks (or months) for updates
  • Third-party apps nobody is really tracking
 

Attackers don’t need to break in if the door’s already open, and in most cases, it is.

Patching sounds simple. In reality, it slips:

  • Updates get postponed
  • Devices get missed
  • Software falls outside of “standard” management
 

That’s where risk builds quietly in the background.

A proper patching setup isn’t just about pushing updates.  It’s about knowing what you’ve got, what’s exposed, and what needs fixing first.

Tools like Heimdal Patch & Asset Management and Action1 help bring that visibility and control back – especially across Windows and third-party applications where most gaps tend to sit.

4. The role of human error

Most breaches still start with a person, not a system

Not because people are careless.  Because they’re busy.

Emails look real. Logins feel routine. Decisions get rushed.

That’s why awareness training alone doesn’t fix it.

You need something watching what happens after the click.

For 24/7 detection and response, we recommend Heimdal MXDR, Huntress EDR and Huntress ITDR.  If a login gets compromised, traditional antivirus won’t see it.  That’s where tools like Huntress step in – monitoring identity behaviour and responding when something doesn’t look right.

5. AI is making phishing harder to spot

AI-assisted malicious emails have doubled, now making up around 10% of attacks.

They’re not the obvious, badly written scams anymore.

They look like:

  • Messages from suppliers you recognise
  • Replies in existing email threads
  • Well-written requests that feel completely normal
 

That’s why they’re getting through.

Traditional email filters were built to catch known threats.  These emails don’t always look like known threats and once someone interacts with them, it often turns into a login issue rather than a malware problem.

That’s where the real risk sits.

Training still matters. But on its own, it won’t catch everything.

You need email security that can:

  • Analyse behaviour, not just reputation
  • Detect suspicious activity inside Microsoft 365
  • Stop threats after they land, not just before
 

That’s where platforms like Check Point Harmony Email and Collaboration come into their own – sitting inside your environment and catching what traditional filters miss.

6. Why this matters for small businesses in Chesterfield and Sheffield

Small and medium-sized businesses are still some of the easiest targets. The DBIR shows that 88% of ransomware breaches in SMBs could have been prevented with basic security in place.

That lines up with what we see locally across Chesterfield, Sheffield and the surrounding areas.

It’s not usually complex attacks.

It’s things like:

  • No visibility on who’s logging in
  • Devices not being monitored properly
  • Backups that haven’t been tested
  • Issues spotted… but no one acting on them
 

Most small businesses don’t have in-house security teams and they shouldn’t need one. But they do need something watching over things day to day.

That’s where managed detection and response (MDR) comes in.

It gives you:

  • Eyes on your systems 24/7
  • Someone to investigate suspicious activity
  • And support to act quickly when something isn’t right
 

For many local businesses, it’s the difference between catching something early… and finding out when it’s already caused damage.

What this means for your business

You don’t need enterprise security. But you do need:

  • Visibility on logins
  • Something watching endpoints
  • Backups that actually work
  • A plan when something goes wrong
 

That’s the difference between a scare… and a full incident.

Running a business in Chesterfield or Sheffield?

Most of the issues highlighted in the DBIR are things we see every day across local businesses. Gaps in visibility. Logins not being monitored. Problems spotted too late. We can take a quick look and show you where your risks actually sit.

Book your local security check
Kevin Walker, Founder of Black Swan Cyber Security Solutions

Written by: Kevin Walker

Founder, Black Swan Cyber Security Solutions

Based in Chesterfield, Kevin has over 20 years’ experience helping schools, care providers and small businesses meet DfE and Cyber Essentials standards. He’s passionate about calm, compliance-led cyber security and supporting local communities across Derbyshire and South Yorkshire.

View LinkedIn Profile ↗

Recent Posts

Stay Ahead of Cyber Threats - Subscribe to the Black Swan Cyber Security Newsletter

Protect your business with the latest cyber threat insights and practical data protection tips. Subscribe for expert advice tailored to small businesses, covering password security, ransomware prevention, and cyber compliance.

Stay connected with Black Swan Cyber Security Solutions and keep your company ahead in the fight against cybercrime.