To protect client data, a UK accountancy firm needs several layers of security: multi-factor authentication, modern endpoint protection, strong email security, encrypted and tested backups, regular staff training, and a recognised framework such as Cyber Essentials. Together these protect the financial and personal data you hold and help you meet your GDPR and anti-money-laundering responsibilities.
Accountancy practices are high-value targets. You hold tax records, bank details, payroll data and personal information for dozens or hundreds of clients, and you move money and sensitive files by email every day. Here’s the checklist, in order of impact.
Multi-factor authentication everywhere
MFA on Microsoft 365, your practice software and any remote access is the highest-impact control you can deploy. Most account breaches rely on a stolen or guessed password, and MFA stops the majority of them dead.
Email security and anti-fraud controls
Email is the number one attack route for accountants. Advanced filtering, impersonation protection and link-checking guard against the invoice-redirection and “change of bank details” scams that target finance teams. A clear internal rule to verify any change to payment details through a second channel adds a vital human layer.
Endpoint protection and updates
Every laptop and PC needs monitored, modern endpoint protection and prompt patching. Unpatched software is one of the most common ways attackers get in.
Encrypted, tested backups
Backups must be encrypted, kept where ransomware can’t reach them, and tested regularly so you know you can recover client data quickly after an incident.
Trained people
Short, regular security-awareness training and simulated phishing reduce the chance of a costly mistake. Your team is both your biggest risk and your best defence.
Cyber Essentials certification
Cyber Essentials gives you an independently verified security baseline, helps demonstrate GDPR accountability, reassures clients, and is increasingly expected by larger clients and insurers. It’s a clear, achievable target for any practice.
Don’t forget your compliance obligations
Under UK GDPR you must protect the personal data you process and be able to show how. Your anti-money-laundering duties also rely on holding client identity data securely. Good IT controls are how you meet both in practice, and a knowledgeable IT partner keeps the evidence ready for audits and client due-diligence questionnaires.
A real example: compliance that won a contract
We helped a client become cyber security compliant in order to meet a customer’s requirements and win a large tender, which directly grew their business. Demonstrable security is no longer just protection. It’s a commercial advantage when clients and partners are deciding who to trust with their data.
Why accountants choose First Stop IT
First Stop IT has supported businesses since 2002 and specialises in security and compliance for professional service firms. Our credentials include:
- Cyber Essentials Certified
- IASME Cyber Assurance (Gold)
- NCSC Assured Service Provider (Cyber Advisor for Cyber Essentials)
- Microsoft Partner
- Crown Commercial Service Supplier (G-Cloud)
- Quality Principles Certified
We look after more than 2,000 endpoints across 50 companies, we’ve been named a Top 50 UK MSP for three years running, and we support organisations with 10 to 100 employees across Essex, Hertfordshire and London, including Harlow and Bishop’s Stortford.
Book a free IT and cyber security review
Want to be confident your clients’ data is properly protected? Book a free IT and cyber security review with First Stop IT and we’ll show you exactly where you stand and what to fix first.