arindamSenThe virtual private network (VPN) has been a powerful tool in the network security administrator’s toolbox for decades, because it has provided a means for remote computers to communicate securely across an untrusted network such as the internet. Whether for branch offices communicating with headquarters (site-to-site), or an employee working from home (remote access), the VPN provided a secure point-to-point tunnel back to resources on protected networks.
VPNs were an effective tool for Public Sector network security when the majority of network traffic was on-premises. When VPNs were introduced in the late ‘90s, proprietary applications were in the data centre. Cloud hosting of apps didn’t exist. Users going off-premises was the exception rather than the rule.
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