A Secure Internet Gateway (SIG) is a network security solution designed to protect organisations from a wide range of cyber threats and provide secure and controlled access to the internet. It acts as a frontline defence, filtering and inspecting all internet traffic before it enters or leaves an organisation's internal network.
The primary functions and features of a Secure Internet Gateway include:
- Web Filtering: SIGs can enforce web filtering policies to block access to malicious or inappropriate websites, preventing users from accessing harmful content.
- Malware and Threat Protection: SIGs use advanced threat intelligence and malware detection techniques to identify, and block known and unknown threats, including viruses, ransomware, and phishing attacks.
- URL Filtering: SIGs can control access to specific URLs or website categories based on pre-defined policies, helping organisations enforce compliance and security measures.
- SSL Inspection: SIGs can decrypt and inspect SSL/TLS encrypted traffic to detect and block potential threats hidden within encrypted connections.
- Application Control: SIGs allow organisations to control access to specific applications and services, ensuring that only authorised applications are allowed to communicate over the internet.
- Data Loss Prevention (DLP): SIGs can enforce DLP policies to prevent sensitive data from being leaked or exfiltrated through web traffic.
- User Identity and Access Control: SIGs can integrate with identity and access management solutions to enforce user-based policies, ensuring that only authorised users can access the internet.
- Threat Intelligence Integration: SIGs can leverage threat intelligence feeds to stay updated on the latest cyber threats and quickly respond to emerging risks.
By acting as a security checkpoint between an organization's internal network and the internet, a Secure Internet Gateway helps to protect against cyber threats, enforce security policies, and enhance visibility and control over internet traffic. It is a vital component of an organisation's overall cybersecurity strategy, providing a strong first line of defence against the ever-evolving landscape of cyber threats.