Ensuring the security of a selling website

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Security issues

Why does this error occur?
Lack of HTTPS. Using HTTP instead of HTTPS to transmit data makes it vulnerable to interception by attackers.
Weak password and account security: Not using strong passwords or two-factor authentication (2FA) increases the likelihood of being hacked.
Outdated software. Using old versions of CMS, plugins or server software that have known vulnerabilities.
Incorrect server configuration. Open ports, database access saudi arabia email list configuration errors, or unnecessary privileges allowed.
Injections and scripts. Vulnerability to SQL injections, cross-site scripting (XSS) or other types of attacks.
Lack of regular monitoring. Lack of tracking of activity on the site allows attackers to remain undetected for a long time.
What does this error lead to?

Loss of customer trust: If user data (e.g. passwords, card details) is compromised, customers lose trust in the site.
Legal issues: Violating data protection laws (GDPR, HIPAA, etc.) can result in fines.
SEO Reduction: Search engines lower the rankings of sites with security issues or without an SSL certificate.
Financial losses: A hacked website can result in theft of funds, blocking of work, or the need for costly restoration.
Data loss: Without reliable backups, your site data could be lost forever.