Email Security

Prevent data breaches and ensure compliance with proactive, managed email security solutions.

Eliminate phishing risks and data loss with 24/7 monitoring and incident response included for every client.

Meet regulatory requirements easily, compliance support and audit-ready documentation come standard.

Prevent costly downtime with automatic patching, rapid threat detection, and proactive security updates.

Empower your team with ongoing cybersecurity awareness training and phishing simulations.

Benefit from transparent reporting on every action, backed by certified security professionals.

Request a Quote for our Email Security

Trusted by Regulated Businesses for Reliable Email Security

See how Nessit's team delivers rapid response, transparent reporting, and lasting peace of mind.

We have been working with Nessit as our managed IT service provider since early 2020. During that time, they have been instrumental in helping us navigate the needs of a technology-dependent design firm with multiple offices, all in the time of COVID. Because of their forward-thinking approach, we have been able to stay ahead of our needs and keep everyone fully productive from their home offices

Adam
Founder and Owner
Market Square Architects

Since switching to Nessit I have been impressed by their thoroughness and attention to detail as well as their quick response when issues arise. Geoff and his team have been very professional in meeting our needs from the very beginning.

Ryan
CEO
D.F. Richard Energy

Nessit has been a pleasure to work with at our school. They are responsive and work to fix issues in a timely manner. Communication has been transparent, effective, and clear. We’ve appreciated being able to email the Helpdesk and get a quick response and have also been impressed with the support from leadership in larger matters. We would recommend Nessit to anyone looking for reliable IT support.

Maegan
Principal
Sacred Heart School

Thank you for your continued effort in offering a positive customer experience. Every single person I have interacted with at Nessit has been extremely polite, knowledgeable, and patient.

Business owner
New Hampshire

Nessit is providing us with great support typified by the following behaviors/actions: Highly responsive and adaptive to changing needs.Supporting developing scope and pricing for key initiatives.Always patient and constructive.Our employees, along with our Board of Directors, have been very pleased with the switch over to Nessit as our IT managed services partner.

Molly
Director of Operations
Realtime Robotics

Partnering with Nessit transformed our agency. Claims move faster, compliance is no longer a stress point, and our clients love the new self-service portal.

VP of Operations
Regional Insurance Agency

Working with Nessit for the past 5 years has been one of my best vendor experiences. They are incredibly proactive, often resolving issues before we even notice them. What truly sets them apart is their knowledgeable team; they have a rare ability to explain complex technical problems in plain English.
Nessit doesn’t just wait for tickets—they actively look for ways to take work off my plate and streamline our processes. By taking full ownership of our infrastructure and always volunteering to take on more responsibility, they’ve completely removed the ‘IT burden’ from my daily routine. I can’t recommend them enough.

Erin Joyce
NCIEA

My company has contracted with Nessit for 6 years (since 2020). They are nothing short of AMAZING! The staff are knowledgeable, professional and pleasant. They have so much patience. Their prices are reasonable for the high quality of services delivered. Don’t second guess yourself.. choose Nessit!

Amy
Owner
Foundations Counseling

I highly recommend NESSIT for any IT needs. Geoffrey Ness and his entire team of technicians are incredibly knowledgeable and professional. They stick with every issue until it is completely resolved, never leaving a job unfinished. They also work seamlessly with our other vendors and support teams, which makes everything much easier for us. Excellent service all around.

Chris
Lead Detective
Town of Bristol NH

Our Clients

Email Security Services Built for Compliance and Business Growth

Proactive defense and continuous monitoring

Gain peace of mind with Nessit’s 24/7 Security Operations Center (SOC) monitoring. Your email systems are continuously watched by real security professionals who can detect, investigate, and respond to threats in real-time. This around-the-clock vigilance ensures threats are stopped before they impact your business, minimizing downtime and data loss. SOC monitoring is included as a core part of your managed email security, no extra cost, no hidden fees.

Protect your organization with fully managed Endpoint Detection and Response (EDR). Nessit’s EDR solution identifies and blocks malicious activity in email attachments, links, and user behavior. Advanced threat intelligence and automated responses reduce the risk of phishing, ransomware, and data leaks. EDR is seamlessly integrated into your email environment, with ongoing updates and rapid response to new threats, ensuring continuous protection.

Stay compliant and audit-ready with Nessit’s robust compliance controls and documentation. Every action, patching, updates, access, and incident response, is logged and reported. Nessit helps you meet industry standards such as SOC 2 and CIS, providing encrypted backups, authentication logs, and detailed change histories. This transparency supports regulatory investigations and simplifies compliance reporting, so you can focus on business growth.

Reduce human error and strengthen your first line of defense with employee cybersecurity training. Nessit delivers regular, interactive training and phishing simulation programs tailored to your environment. These exercises increase user awareness, reinforce best practices, and help your team recognize and avoid common email threats. Training completion and effectiveness are tracked for audit and compliance needs.

Benefit from a custom-fit security plan that adapts to your business goals. Nessit starts every engagement with a detailed needs discovery and IT audit, ensuring solutions are aligned with your existing environment and growth plans. Regular reviews and transparent reporting keep you informed about new threats, evolving compliance requirements, and ongoing improvements to your email security posture.

Respond confidently to incidents with Nessit’s expert incident response coordination. Should a breach or suspicious activity occur, Nessit provides immediate support, coordinating with cybersecurity partners and third-party specialists if needed. Detailed incident reports, breach negotiation support, and post-incident reviews ensure your business recovers quickly, meets all regulatory requirements, and learns from every event.

Proven Results: Key Metrics from Managed Email Security

8am-5pm

Support Hours

91.2%

First Call Resolution Rate

36 min

Avg Issue Resolution Time

Proactive Email Security solutions designed to prevent threats before they reach your inbox.

Proactive Email Security That Stops Threats Before They Start

Stay ahead of evolving threats with Nessit’s managed email security, designed for regulated industries and growing businesses. Every layer of your email infrastructure is protected by enterprise-grade solutions, including continuous threat detection, phishing prevention, and compliance-focused controls. Get custom-fit security that evolves with your needs and delivers measurable results, all backed by clear communication and transparent reporting.

Visual representation of Email Security, highlighting comprehensive protection and compliance for peace of mind.

Comprehensive Protection, Compliance, and Peace of Mind

  • Fully managed Endpoint Detection and Response (EDR) blocks malware, ransomware, and advanced attacks.
  • 24/7 Security Operations Center (SOC) monitoring ensures rapid response to any suspicious activity.
  • Compliance-aligned controls, audit trails, and encrypted backups support regulatory audits with confidence.
  • Phishing simulation and employee training dramatically lower human risk factors.
  • Custom security plans, regular reports, and ongoing strategy sessions keep your business protected as you grow.

Request Your Free Email Security Assessment Today

Protect your business from threats and ensure compliance with expert email security.

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Dedicated team providing expert guidance for all your Email Security needs and unmatched support.

Expert Guidance and Unmatched Support for Every Email Security Need

Never face a cyber incident alone. Nessit’s team of experienced engineers, security experts, and dedicated account managers guide you through every step. From initial audit to incident response coordination, every action is documented, reported, and designed to meet the highest standards. Enjoy direct access to experts, no call centers or outsourcing, so you always know your business is in skilled hands.

Frequently Asked Questions

Your email security solution is designed to protect you from a wide range of threats, including phishing attacks, malware, ransomware, spam, and unauthorized access. By continuously monitoring for suspicious activity and automatically blocking harmful content, your sensitive information and communications stay secure, helping you avoid data breaches and business disruptions.

Email security supports your compliance efforts by enforcing encryption, maintaining audit trails, and documenting access to sensitive data. You benefit from:

  • Automated logging of email activity and authentication
  • Retention of change and incident response records
  • Support for regulatory audits with detailed reporting

This approach ensures you can quickly demonstrate compliance and address audit requirements.

The process begins with a discovery conversation to understand your needs, followed by a thorough audit of your current email systems and security controls. A customized plan is then developed to address your risks and compliance requirements, and the solution is implemented with minimal disruption. Ongoing monitoring and regular reporting keep your protection up to date.

Most email security deployments can be completed within days, depending on your organization’s size and complexity. Pricing is based on user count and specific security requirements, with transparent estimates provided after your initial assessment. You receive a clear proposal outlining costs, timelines, and what is included, no hidden fees or surprises.

This email security service is built around your business goals, not just technical requirements. You benefit from:

  • Customized solutions based on an in-depth IT audit
  • Ongoing strategic guidance and transparent reporting
  • Proactive risk identification and compliance support
  • Direct access to technical experts and responsive support

The focus is always on protecting your business and building long-term trust.