What defense recommendations does the article offer against troubleshooting pack attacks?

The article emphasizes that Microsoft already requires digital signature verification, so users should always check the publisher name—legitimate Microsoft packs show "Microsoft Corporation." Security teams should educate users to avoid running unexpected .diagcab files, especially from emails, and consider group policies that block execution of unsigned or untrusted troubleshooting packs. Additionally, monitoring for suspicious PowerShell scripts launched by diagcab can help detect such attacks early.