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Code signing any software, EXE, or app using a valid code signing certificate secures it from getting tampered with by unauthorized personnel and also verifies the source of the code as legitimate by embedding the digital signature with the publisher's details; hence, the operating system recognizes the software as safe and users don't get any warnings for signed software.
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1 1. Code Signing: Code signing involves digitally signing your software using a certificate issued by a reputable Certificate Authority (CA). This signature verifies the authenticity and integrity of the software. When users attempt to install a signed application, Windows will check the signature against the CA's root certificate store, and if it's valid, the warning messages will be minimized or eliminated.
2. Reputation Services: Microsoft SmartScreen is a reputation-based service built into Windows Defender and other Microsoft products. It uses a combination of factors, including code signing, download reputation, and user feedback to determine if a program is safe or potentially harmful. By distributing your software through reputable channels and building a positive reputation, you can reduce SmartScreen warnings.
3. Distributing through Trusted Sources: Distribute your software through well-known and trusted sources like the Microsoft Store or other official app stores. Applications from these sources are generally considered safer and are less likely to trigger warnings.
4. Build Trust with Users: Maintain a good reputation by responding to user feedback and promptly addressing any security concerns. Being transparent and proactive can help build trust with your user base.
5. Application Whitelisting: For enterprise environments, consider using application whitelisting, which allows only approved applications to run. This can help ensure that your software is recognized as legitimate within a controlled environment.
6. Validating Your Installer: Ensure your installer follows best practices, is free from malware, and doesn't raise any red flags during security scans.