Magento 2 Security patches
The best advice is to fix your Magento 2 security issues immediately after a new update is released. This way you will be protected against known vulnerabilities.One more thing about installing Magento security patches. Bear in mind that some Magento 2 security patches are harder to install than the other. Always use a separate environment to test-patch your Magento store before you install the patch on you live website. This way you can speed up patch deployment and avoid interruptions to your business.
Remove Unnecessary User Permissions
Magento 2 Admin Panel is the source of more trouble than anything else. Even a limited access to the Admin Panel opens up to the malicious users a sea of possibilities to hack into the store.
The Panel is full of critical issues that can be exploited if the hacker is knowledgeable enough: leaking of credit card details, hijacking of full admin privileges, malware injection, etc.
Get Rid of Unused Magento 2 Extensions
We’ve already mentioned this tip in our speed guide. Well this tip is extremely important for Magento 2 e-commerce site security, too.
For more details refer: https://magento.com/security/best-practices/5-immediate-actions-protect-against-brute-force-attacks
