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199 articles
DSE visual briefNetworks & infrastructure

Migrate monitoring to SNMPv3 without losing the alerts operations depend on

SNMPv3 can add authentication, integrity, privacy, and scoped access, but a rushed cutover can silently drop polling or notifications. Migrate by device class, verify manager support, test both directions, and retain rollback.

Published Reviewed 3 min readBy DSE Security Editorial Team
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DSE visual briefCyber defense

Plan removable-media controls around business use, malware risk, and sanitization

Removable media can carry essential recovery data, sensitive records, and malicious content across trust boundaries. Define approved uses, managed media, encryption, scanning, transfer stations, custody, retention, and sanitization by risk.

Published Reviewed 3 min readBy DSE Security Editorial Team
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DSE visual briefNetworks & infrastructure

Practice the restart sequence after facility power returns

Utility power returning does not mean every dependent service is ready. Build and rehearse an authorized restart sequence that validates power quality, facility systems, network, identity, storage, applications, security, and monitoring.

Published Reviewed 3 min readBy DSE Security Editorial Team
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DSE visual briefPhysical security

Treat water intrusion as an IT and physical-security outage scenario

Water can disable power, communications, access control, video, servers, cabling, and safe building entry at once. Map exposure, protect critical equipment, define isolation and life-safety procedures, preserve evidence, and rehearse recovery.

Published Reviewed 4 min readBy DSE Security Editorial Team
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