Senior Threat Intelligence Reporter

Daniel Okafor, page 4

Daniel tracks ransomware crews, initial access brokers and state-aligned intrusion sets. He previously worked as a SOC analyst and still writes his own detection rules.

75 articlesUpdated 28 Sep 2026Page 4 of 4

RansomwareNation-state activityDetection engineeringLinkedIn

Articles by Daniel Okafor

ThreatsTelecom & MediaCritical
Cisco Nexus 9000 Silicon One Switches Exposed to Unauthenticated Root RCE
Cisco disclosed CVE-2026-20212 (CVSS 9.8), an unauthenticated root code execution flaw on Silicon One-based Nexus 9000 datacenter switches due to open debugging ports.
Daniel Okafor3 Sep 20265 min read
NewsCloud & SaaS
HostDZire ransomware encrypts ESXi virtual disks across three countries
An August attack compromised multiple VMware ESXi nodes at hosting provider HostDZire, encrypting virtual disks beyond recovery across India, the Netherlands and the US.
Daniel Okafor2 Sep 20266 min read
NewsGov & Defence
Rhysida ransomware hits Berlin Senate network as public sector attacks accelerate
The Rhysida group claimed an attack on Berlin’s Senate network, part of a run of incidents that also struck a national tax authority and a justice ministry within two weeks.
Daniel Okafor1 Sep 20265 min read

Articles by Daniel Okafor

Cisco Nexus 9000 Silicon One Switches Exposed to Unauthenticated Root RCE

HostDZire ransomware encrypts ESXi virtual disks across three countries

Rhysida ransomware hits Berlin Senate network as public sector attacks accelerate