Esri has released the Portal for ArcGIS Security 2022 Update 1 Patch resolving multiple high and medium severity vulnerabilities.
DNSSec enabled for ArcGIS.com domain - FedRAMP Moderate coming up...
Spring4Shell vulnerability relative to ArcGIS products.
Detailed information about what Log4j CVE's are addressed and how the issues are addressed.
Esri has released ArcReader 10.8.2, which resolves two low and one moderate-risk vulnerabilities.
Esri's statement regarding Log4j vulnerabilities (Log4Shell) and ArcGIS products
A brief summary to clarify that Esri is not vulnerable to the Printnightmare and Kayseya Ransomware Cyberattacks
Portal for ArcGIS Security 2021 Security 2021 Update 1 Patch fixes one high priority vulnerability and two medium priority vulnerabilities.
ArcGIS Server Security 2021 Update 1 Patch fixes one high priority vulnerability and multiple medium priority vulnerabilities.