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AlphaSec · Cyber Security Bristol

Cyber security, Cyber Essentials & DMARC for Bristol businesses

Bristol (BS1–BS8, Temple Quay, Clifton & Aztec West) · Free 1-Page Security Snapshot

Just 45 minutes from Bristol across the M4 bridge in Cardiff, AlphaSec helps Bristol law firms, accountants, engineering consultancies and SMEs pass Cyber Essentials, lock down Microsoft 365 and stop criminals spoofing their email domain—without enterprise consultancy bloat.

Practical cyber protection for Bristol firms

  • Guided Cyber Essentials certification: Ideal for Bristol businesses tendering for public-sector, housing, construction or corporate contracts.
  • DMARC, SPF & DKIM email security (£295 fixed price): Stop criminals sending fake invoices or bank-detail changes from your domain name.
  • Microsoft 365 security hardening: Conditional Access, phishing-resistant MFA, SharePoint permissions and admin account separation.

Part of the Alphabyte Group

AlphaSec is the specialist cyber security arm of Alphabyte IT, alongside AlphaOps (AI consultancy & workflow automation) and AlphaPixel (£495 websites & £49/mo automated weekly SEO).

Areas we cover: Cardiff · Newport · Swansea · West Wales · Bristol · Bath · South Wales

Common questions

Can you help our Bristol firm pass Cyber Essentials quickly for a tender?

Yes. We guide your team through every question, fix the technical gaps in your Microsoft 365 and device configuration, and get your Bristol business certified smoothly.

Want to know where you stand?

Pop in your work email for a free 1-page security snapshot, or have a chat about Cyber Essentials in Cardiff & South Wales. No obligation and no scare stories.

Get your free security snapshot

Or call 029 2240 4615 / 07885 972 512

Also from the Alphabyte Group

AlphaSec is one of four specialist services from the same Cardiff company. If you need a hand with something else, you're in good company.

Meet the group
IT managementalphabyte.it

IT support and management for offices across Cardiff and South Wales: Microsoft 365, laptops, backups and a helpdesk on first-name terms with your team. Looking after local firms since 2009.

Visit Alphabyte IT →AI & automationalphaops.

Practical AI and workflow automation that takes the busywork off your team, starting with a free automation audit.

AlphaOps — AI Consultant Cardiff →WebsitesAlphaPixel

Websites for professional firms. We redesign your homepage first, for free, so you can see it before you spend a penny.

Visit AlphaPixel →