Cybersecurity Long Island

Cybersecurity Protectionfor Long Island Businesses.

LionShield Networks helps businesses throughout Long Island, Nassau County, and Suffolk County reduce cyber risk with layered security for users, devices, email, identities, networks, cloud services, and business data.

Layered SecurityMicrosoft 365 ProtectionRansomware Defense

Security built around your business.

Cybersecurity is not one product. Effective protection requires multiple layers working together across your users, devices, identities, email, network, cloud environment, and data.

Prevent

Reduce exposure before an incident occurs.

Protect

Secure users, devices, identities, and data.

Detect

Identify suspicious activity and security threats.

Recover

Prepare your business to restore operations.

Business Cybersecurity Services

Layered protection foryour entire technology environment.

We help protect the systems your employees use every day, from endpoints and email to Microsoft 365, networks, identities, backups, and business data.

Endpoint Security

Protect business computers, laptops, and devices with layered endpoint protection, monitoring, and threat prevention.

Email Security

Reduce phishing, malicious links, spam, spoofing, and business email compromise with stronger email protection.

Identity & MFA

Strengthen account security with multi-factor authentication, identity protection, access controls, and secure sign-in policies.

Network Security

Secure firewalls, VPNs, business Wi-Fi, segmentation, and network infrastructure against unauthorized access and threats.

Microsoft 365 Security

Improve Microsoft 365 security with identity controls, email protection, secure collaboration, account hardening, and monitoring.

Backup & Recovery

Protect critical business data with monitored backups, disaster recovery planning, and recovery options for cyber incidents.

Ransomware Protection

Reduce the risk ofa damaging cyberattack.

Ransomware and account compromise can interrupt operations, lock businesses out of critical systems, and put sensitive information at risk.

LionShield Networks uses a layered approach that combines endpoint protection, email security, identity controls, network security, backups, monitoring, and user-focused security practices to reduce exposure.

Endpoint protection
Email and phishing security
Multi-factor authentication
Microsoft 365 security
Firewall and network security
Ransomware protection
Backup and recovery
Security monitoring

Protect users and identities.

Many cyber incidents begin with stolen credentials, phishing, weak passwords, or compromised user accounts.

We help strengthen identity security with multi-factor authentication, access controls, Microsoft 365 security, account hardening, and secure user practices.

Security that keeps evolving.

Threats change, businesses grow, and technology environments evolve. Security should evolve with them.

LionShield Networks helps businesses continuously improve their security posture as systems, employees, cloud services, and business requirements change.

Security + Complete IT Management

Combine cybersecurity with proactive managed IT.

For organizations that want cybersecurity integrated with monitoring, support, patching, Microsoft 365 management, backup, infrastructure, and technology planning, explore our full managed IT services for Long Island businesses.

Managed IT Services

Long Island Cybersecurity

Protecting businesses acrossNassau & Suffolk.

LionShield Networks provides cybersecurity services for businesses throughout Long Island, helping organizations strengthen protection across users, systems, cloud environments, networks, and business data.

Nassau County
Suffolk County
Hempstead
Garden City
Merrick
Mineola
Melville
Farmingdale
Hicksville
Massapequa
Huntington
Babylon
And surrounding communities

24/7 Emergency Support

Security incident or critical issue after hours?

Emergency support is available around the clock for critical technology and security issues that cannot wait until the next business day.

Call 718-215-0681

Long Island Cybersecurity FAQs

Common cybersecurity questions,answered.

What cybersecurity services do you provide?

LionShield Networks provides endpoint security, email protection, Microsoft 365 security, identity protection, multi-factor authentication, network security, ransomware protection, backup, recovery, and security-focused IT management.

Can you help protect Microsoft 365?

Yes. We help secure Microsoft 365 with identity controls, multi-factor authentication, email security, account hardening, secure collaboration, and Microsoft cloud security practices.

How do you help protect businesses from ransomware?

We use a layered security approach that can include endpoint protection, email security, identity controls, network security, security monitoring, backups, recovery planning, and secure user practices.

Do small businesses need cybersecurity services?

Yes. Small and midsize businesses depend on email, cloud services, user accounts, devices, and business data that can all be targeted by cyber threats. A layered security strategy helps reduce that risk.

Can cybersecurity be included with managed IT services?

Yes. LionShield Networks integrates cybersecurity with managed IT services including monitoring, support, Microsoft 365 management, patching, backup, infrastructure management, and technology planning.

Strengthen Your Security

Protect your businessbefore an incident happens.

Schedule a complimentary cybersecurity assessment and identify opportunities to improve protection across users, devices, Microsoft 365, networks, and business data.

Request a Security Assessment