Excessive and Unnecessary Control

By cliangNo Comments
So many locks Adding control won't give you more security. I came across advices from other cybersecurity practitioner that overkills. Indeed, the insecure WiFi is part of this. The whole story is that critical system (simply the Target) is isolated from the Internet. To update the Target with security patches, new anti-malware definition, removable media (simply USB thereafter) is used to transfer the required files obtained from OEM into the Target environment. No doubt there is risk to use USB. A dedicated kiosk scanning station (simply Kiosk thereafter) is established to check for malware clearance before plugging the USB into the Target. So far, everything looks good and sensible. Because the Target using the USB is far away from the Kiosk, the cybersecurity practitioner has an innovation thought to ENSURE the USB must just been scanned by the Kiosk but not inserting a different one by human mistake. In other word, USB must be validated before loading to...
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ROAM

By cliangNo Comments
Remote Office Access Method (inspired by ISAM, VSAM in old days) has undergone significant changes over the past decades due to technology advancement. The need arises to provide better efficiency for system support especially if expertise is required from overseas. In early days, when remote access is required via dumb terminal with dial up connection, call back is required to authenticate the pre-registered phone number. With routable network, 2-factor authentication via secure token is required to permit the remote session from Virtual Private Network (VPN) connection. This requires complex pre-registration of the user identity associated with the token in generating the one-time password (OTP). The evolution continues into 2-step authentication with OTP in different form factors: SMS, apps in consumer mobile device or designated email. Enrollment becomes easier with guided self-service making admin-less. Access technology is also evolving from full tunnel VPN to split tunnel VPN through Transport Layer Security (TLS) via web browser or apps in workstation with rich desktop experience as if...
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