Cyber Security Case Studies

See how Peritus helps UK organisations reduce risk, strengthen cloud security and improve cyber resilience across Microsoft 365, SaaS, AI and ransomware-related threats.
These client stories show the practical outcomes delivered through Peritus cloud and cyber security services.
52%

Average reduction in cloud attack surface

34

Critical misconfigurations fixed in first 90 days (avg)

100%

Audit readiness across reviewed M365 tenants

Fortifying Email Security for a Hertfordshire Independent School

Helping a Hertfordshire independent school reduce phishing exposure and strengthen protection for staff and students

Read the full story
Enhancing Continuous Vulnerability Visibility for a Regulated Financial Organisation

Helping a regulated financial organisation strengthen external attack surface visibility

Read the full story
Enhancing SaaS Security at Rightmove

Rightmove partnered with Peritus to eliminate SaaS security blind spots, improve identity controls, and gain clearer visibility across their expanding cloud environment.

Read the full story
Strengthening Email Security for Telegraph Media Group

Telegraph Media Group partnered with Peritus to enhance email protection using AI-driven detection, blocking phishing, BEC attempts, and account takeover risks while improving operational efficiency.

Read the full story
How a UK Insurance Broker Reduced Phishing Risk by 85%

How a leading insurance broker improved cyber resilience, protected sensitive customer data and prepared for the rise of AI-driven cyber threats with support from Peritus Cloud Security.

Read the full story
Streamlining IT Asset Visibility and Security

Southern Communications Group partnered with Peritus to unify fragmented asset data, eliminate security blind spots, and strengthen control across their IT estate.

Read the full story
How The Club Company Stopped 1,600 Email Attacks in 90 Days

As the UK's largest owner and operator of country clubs, The Club Company relies on Microsoft 365 to support communication across its golf, health, fitness and hospitality venues.

Read the full story
Improving AI Visibility for a Professional Services Firm

A national professional services firm partnered with Peritus to gain visibility into AI usage, reduce data exposure risks, and establish governance policies that protected client information and operational integrity.

Read the full story
Implementing AI Governance in a Legal Services Firm

A national legal services provider partnered with Peritus to establish safe AI usage, reduce shadow AI risk, and introduce governance controls that protected client confidentiality and regulatory compliance.

Read the full story
Technical Guardian Support for a High-Growth Fintech

A rapidly scaling, VC-backed fintech partnered with Peritus to gain senior security expertise, strengthen cloud controls, and meet investor and regulatory expectations as the company expanded.

Read the full story
Modernising Cloud Identity for a FTSE 250 Retailer

A nationwide, multi-brand retail group partnered with Peritus to improve identity hygiene, tighten access controls, and strengthen cloud security across thousands of users.

Read the full story
Strengthening Microsoft 365 Security for a UK Healthcare Provider

A multi-site healthcare organisation partnered with Peritus to uncover hidden risks, remediate high-impact misconfigurations, and significantly reduce its Microsoft 365 attack surface.

Read the full story
Reducing Cloud Risk for a UK Manufacturing Business

A multi-site UK manufacturer partnered with Peritus to identify critical cloud vulnerabilities, improve configuration hygiene, and strengthen operational resilience across its hybrid environment.

Read the full story

Why Some Stories Are Anonymous

Many of our clients operate in regulated industries or under NDA.
For these organisations, we anonymise case studies while keeping the facts, outcomes, and challenges real.

This gives a true view of our work while protecting client confidentiality.

How Can We Help?

Whether you have a specific security challenge, want to discuss your current environment or simply need some advice, complete the form and a member of the Peritus team will be in touch.