This is a collection of sites about security.
The order is alphabetical.

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URL
Name
Language
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Security Advisary
No Image Name URL Description Tag
1 Android Security Bulletin https://source.android.com/security/bulletin Android Monthly Vulnerability Reportsss
  • Japanese
  • News
  • Foreign Country
  • Android
  • Security Advisories
2 Apple Security Update https://support.apple.com/ja-jp/HT201222 Apple Security Updatesss
  • Japanese
  • News
  • Mac OS
  • iOS
  • Security Advisories
3 Cisco Security Advisories https://sec.cloudapps.cisco.com/security/center/publicationListing.x Security Advisories for Cisco Productssss
  • English
  • Foreign Country
  • Security Advisories
4 Cisco Security Advisories https://sec.cloudapps.cisco.com/security/center/publicationListing.x The Cisco Security Advisories page provides up-to-date information on vulnerabilities affecting Cisco products. It includes detailed advisory listings, including CVEs, severity levels, and impacted Cisco products. The site helps security professionals stay informed about new vulnerabilities, mitigation strategies, and available patches. It is a valuable resource for IT teams and security researchers working with Cisco products.sss
  • English
5 Debian Security Advisory https://www.debian.org/security/ Vulnerability information is disseminated using security numbers such as DSA-xxxx-x.sss
  • English
  • Linux/Unix
  • Security Advisories
6 Drupal Security Information https://www.drupal.org/security Vulnerability information is provided by security numbers such as SA-CORE-yyyy-xxx.sss
  • English
  • Foreign Country
  • Security Advisories
7 GitHub Security Advisories https://github.com/advisories GitHub Security Advisories - Offers security advisories for open-source projects hosted on GitHub.sss
  • English
  • Security Advisor
  • Open Source
8 IBM Security Bulletins https://www.ibm.com/security IBM Security Bulletins - Offers security advisories for IBM's software and hardware products.sss
  • English
  • Security Advisor
9 Microsoft Security Advisories https://msrc.microsoft.com/update-guide Microsoft Security Advisories - Provides security updates for all Microsoft products, including Windows, Office, and Azure.sss
  • Japanese
  • Security Advisor
10 Mozilla Security Advisories https://www.mozilla.org/en-US/security/advisories/ Mozilla Security Advisories - Releases security advisories for Mozilla products like Firefox and Thunderbird.sss
  • English
  • Security Advisor
11 Oracle Critical Patch Updates & Security Alerts https://www.oracle.com/security-alerts/ Oracle Critical Patch Updates & Security Alerts - Provides critical patch updates and security alerts for Oracle software products.sss
  • English
  • Tools
  • Security Advisor
12 Palo Alto Networks Security Advisories https://securityadvisories.paloaltonetworks.com/ Palo Alto Networks Security Advisories - Releases security updates and advisories for Palo Alto Networks products.sss
  • English
  • Security Advisor
13 Redhat Security Advisories https://access.redhat.com/errata/#/?q=&p=1&sort=portal_publication_date%20desc&rows=10&portal_advisory_type=Security%20Advisory Vulnerability information is provided by security numbers such as RHSA-xxxx:xxxx.sss
  • Japanese
  • Foreign Country
  • Linux/Unix
  • Security Advisories
14 Security Advisories on Struts https://cwiki.apache.org/confluence/display/WW/Security+Bulletins Vulnerability information is provided by security numbers such as Sxx-xxx.sss
  • English
  • Foreign Country
  • Security Advisories
15 Ubuntu Security Information Notification https://ubuntu.com/security/notices Vulnerability information is provided by security numbers such as USN-xxxx-x.sss
  • English
  • Foreign Country
  • Linux/Unix
  • Security Advisories
16 VMware Security Advisories https://www.broadcom.com/support/vmware-security-advisories It provides vulnerability information with security numbers such as VMSA-yyyy-xxxxx.This is the site where Vmware-related security advisories are notified.sss
  • English
  • Foreign Country
  • Security Advisories