ISO/IEC 27033-5 2013 (ISO 27033-5 Standard) – Securing Communications with VPNs

Description

ISO/IEC 27033-5:2013 Information technology -- Security techniques -- Network security -- Part 5: Securing communications across networks using Virtual Private Networks (VPNs)

In their simplest form, VPNs provide a mechanism for establishing a secure data channel or channels over an existing network or point-to-point connection.

ISO 27033-5 describes the security threats facing VPNs (principally intrusions and denial-of-service (DoS) attacks), outlines the security issues affecting VPNs (including providing resistance to DoS and unauthorised access attacks, and protecting against label spoofing), and describes the security requirements necessary to maintain the confidentiality, integrity and availability of data in transit through a VPN tunnel.

It explains the need to apply controls to secure VPN tunnels based on organisational security policies and risk appetites, sets out the means of creating VPN tunnels via the use of virtual circuits, label switching or protocol encapsulation, and addresses regulatory, legislative, management, architectural and technical considerations for VPNs. It also provides guidelines for selecting carrier protocols and VPN appliances.

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