Keygen files are frequently bundled with trojans, spyware, or ransomware. Even if the file is functional, it may contain hidden backdoors that allow hackers to access your data later. Antivirus Detection:
: Legitimate software users receive technical support from the vendor and access to updates and new features. By using a cracked version of AutoCAD 2009, users forgo these benefits, potentially missing out on critical bug fixes and security patches.
Additionally, Autodesk has officially stopped supporting and issuing new activation codes for versions older than 2010. If you have a legitimate license for AutoCAD 2009, here are the secure ways to handle activation or access: Secure Ways to Activate or Access AutoCAD