I need Penetration Testers
I would like to detect vulnerabilities in my software in advance, because I would like to know what risks my company is exposed to and prevent data leakage. Can you recommend good penetration testers to me?

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Bernard Andrews commented
In order to identify the vulnerabilities of your software in advance and find out what risks your company is exposed to, you can simply contact this company https://www.dataart.com/en/services/security/penetration-testing-services . They are real professionals and will help you avoid data leakage and help make your system more secure. I say this based on personal experience, as I myself am their client.