🕵️ RESEARCH & DEEP DIVES
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VPNs Called Biggest OT Backdoor as Experts Push VPN-less Brokered Remote Access for Plants
Industry commentary argues VPNs are the biggest backdoor into OT plant networks and advocates replacing them with brokered, VPN-less remote access.- Applies to industrial organisations — utilities, manufacturers and other OT operators — whose plants are accessed remotely by OEM vendors, system integrators and remote engineers, reaching ICS, SCADA servers, PLCs and HMIs.
- VPNs are called the biggest breach path: leaked VPN credentials, exposed remote desktop services and vendor connections have featured repeatedly in major industrial intrusions, and a VPN grants a routable network location rather than a single task.
- A VPN tunnel gives the remote laptop a path into everything reachable in the zone; vendors often share one account, tunnels stand around the clock, nothing is recorded, and unmanaged contractor laptops can bridge the open internet to the plant floor in one hop.
- OT makes this worse: assets run 15-to-25-year lifecycles on unsupported OSes, devices are fragile enough that a vulnerability scan can crash them, patch windows come a few times a year, and zone interiors stay flat despite Purdue-model segmentation.
- The proposed replacement is VPN-less remote access: lightweight connectors dial outbound over TLS to an access gateway, sessions are protocol-isolated (RDP, SSH, VNC, HMI web consoles), authorisation is per-asset and just-in-time, MFA is required, vaulted credentials are injected by the broker, and every session is recorded and terminable in one click.
📎 Coverage: cybersecuritynews.com · 👁 via Cyber Security News, cryptika.com (discovered)
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Startup Launch Checklist: Authentication and Security Essentials
Security Boulevard published a launch checklist arguing startups often underestimate the importance of a strong login flow.- Applies to startup founders preparing to ship products and raise funds
- Focuses on authentication and security essentials for launch
- Warns that a weak login flow can undermine otherwise fast shipping and fundraising
📎 Coverage: securityboulevard.com · 👁 via securityboulevard.com (discovered)
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