diff --git a/github_backup/github_backup.py b/github_backup/github_backup.py
index fdc18f9..346d541 100644
--- a/github_backup/github_backup.py
+++ b/github_backup/github_backup.py
@@ -1814,7 +1814,7 @@ def backup_repositories(args, output_directory, repositories):
             if args.include_milestones or args.include_everything:
                 backup_milestones(args, repo_cwd, repository, repos_template)
 
-            if args.include_security_advisories or args.include_everything:
+            if args.include_security_advisories or (args.include_everything and not repository["Private"]):
                 backup_security_advisories(args, repo_cwd, repository, repos_template)
 
             if args.include_labels or args.include_everything: