You roll out application allowlisting in a development team in stages: first learn what the team already runs, approve the legitimate tools, then switch to enforcing, with a fast request process for anything new. Done this way, engineers keep working throughout, and once it is live, unknown software is blocked while approved tools run smoothly. The fear that allowlisting will get in the way is only true if it is rolled out badly.
Developers install a lot of software, so the rollout has to respect how they work. Here’s the approach that works.
1. Learn what’s actually in use
Before enforcing anything, we run allowlisting in a learning mode to see the genuine tools your engineers use. That way the approved list reflects real work, not guesswork, and nothing important gets blocked on day one.
2. Approve the legitimate tools
We build the approved list from what the team genuinely needs, so the common dev tools, drivers and utilities are all permitted. The aim is for engineers to notice almost no difference once enforcement begins.
3. Enforce, with a fast request path
Once enforcing, anything not approved is blocked. When an engineer needs a new tool, a quick request to us gets it reviewed and approved fast, so they are not held up. The process is light, but every new executable is still vetted.
4. Manage it for them over time
Because we manage the approved list, your engineers do not have to think about it. New tools get approved, old ones get tidied up, and the protection stays strong without becoming a chore.
A real example: quick approvals, no disruption
We supported a software company serving financial trading firms where we handled controlled allowlisting requests for engineering tools, approving legitimate software quickly while keeping unknown programs blocked. Engineers got what they needed, and the firm stayed protected.
For a software, technology or financial trading firm, this is part of managed IT and security that usually costs about £45 to £100 per user per month, scaling with your headcount, your security needs and how much uptime the business depends on.
Why technology and trading firms choose First Stop IT
First Stop IT has supported businesses since 2002, including software and technology companies and firms that serve financial markets. We know the systems these teams depend on: secure VPN and remote access, source control and build pipelines, virtual dev and test environments, Microsoft 365 and Teams, and the security that banks and regulators expect, from multi-factor authentication and endpoint protection to application allowlisting and email security. We work with technology and trading firms in London and across Essex and Hertfordshire. 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 allowlisting done without disrupting your developers? Book a free IT and cyber security review with First Stop IT and we’ll roll it out properly.