Email Security
Email Security Services
Arc’s managed email security protects your business from phishing, malware and spoofing. Prevent threats before they reach your inbox with UK-based support.
Email Security
Email remains the most common attack vector for businesses, used to deliver phishing scams, ransomware, and account compromise. Without the right protection, just one wrong click can expose your organisation to serious risk. Arc’s email security services help stop threats before they reach the inbox. Using intelligent filtering, domain protection, and threat detection, we secure both cloud and on-premise email environments while keeping your communication flowing.
What we protect against
Phishing Attacks – Stop deceptive emails designed to trick users into revealing passwords, financial details or sensitive data.
Malware & Ransomware – Block attachments and links that deliver viruses, trojans, or ransomware payloads.
Spoofing & Impersonation – Detect and block attempts to impersonate internal staff, vendors, or leadership.
Business Email Compromise (BEC) – Identify signs of account hijacking or fraud targeting finance and HR departments.
Spam & Bulk Mail – Keep mailboxes clean by filtering non-malicious, low-value traffic.
Key features of Arc’s Email Security services
Advanced Filtering – Real-time threat detection with machine learning and signature-based scanning.
Link and Attachment Protection – Active analysis of URLs and attachments before delivery, even inside PDFs or ZIP files.
Impersonation Detection – Flag emails that mimic trusted senders or manipulate display names.
Email Encryption – End-to-end message encryption to protect sensitive communications.
Domain-Based Protection – Implementation of SPF, DKIM and DMARC to prevent spoofing and strengthen your domain’s reputation.
Integration with Microsoft 365 – Designed to work seamlessly with Microsoft 365 Support, enhancing native defences.
Why choose Arc for email security
With over 30 years of experience delivering IT and cybersecurity services, we’re trusted by organisations across the UK to secure their most critical systems, including email. We don’t just deploy tools; we take a strategic approach that aligns your email protection with your wider IT infrastructure, endpoint security, and user support.
Our UK-based team provides proactive monitoring, policy management, and real-time threat response to keep pace with evolving risks. Whether you’re using Microsoft 365, Exchange, or a hybrid mail system, we tailor our solution to fit your environment, ensuring strong protection without disrupting day-to-day operations.
Email protection is most effective as part of a broader cyber security strategy. Arc’s services are designed to work together, from penetration software testing to endpoint protection and user training.
Contact our team to strengthen your email security posture and reduce the risk of email-based threats.
Our numbers always add up
Numbers, as they say, never lie. Here are some that all add up to why you should be using Arc when it comes to managed IT support.
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Number of tickets
Our total number of helpdesk tickets logged across 2025
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SLA
First response met across 2025
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First-time fix rate
Number of tickets that were resolved first time across 2025
Expert insights and news
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Learn moreNews | October 15, 2026
We’re now a Microsoft Solutions Partner for Digital & App InnovationWe’re incredibly proud to share that Arc is now a Microsoft Solutions Partner for Digital & App Innovation. It’s measured by Microsoft on real customer results, and it reflects the work our…
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Learn moreNews | October 12, 2026
UK Cyber Security Statistics: What Every Business Owner Needs to Know in 2026Most UK business owners believe they are too small, too niche, or simply too unremarkable to be worth a cyber attacker’s time. The data tells a different story. The UK…
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