Security checklists guides

• Linux foundation security checklist - https://github.com/lfit/itpol/blob/master/linux-workstation-security.md
• How to Protect Your Infrastructure Against the Basic Attacker - http://blog.mailgun.com/security-guide-basic-infrastructure-security/
• Secure LAMP deployer for Linux servers - https://github.com/Jsitech/JShielder

NSA guides

• NSA fact sheets - https://www.nsa.gov/ia/mitigation_guidance/security_configuration_guides/fact_sheets.shtml

• NSA host mitigation package - https://www.iad.gov/iad/customcf/openAttachment.cfm

• NSA mitigation guidance - https://www.nsa.gov/ia/mitigation_guidance/index.shtml

• NSA Information Assurance Symposium (IAS) 2015 - https://www.fbcinc.com/e/ias/agendagrid.aspx

• Securing Industrial Control Systems - https://www.iad.gov/iad/library/ia-guidance/security-configuration/industrial-control-systems/index.cfm

• Microsoft security tools - https://technet.microsoft.com/en-us/security/cc297183

• http://www.thefreelibrary.com/The+National+Security+Agency's+host+mitigation+package+initiative.-a0415959687

Securing Nginx

• https://calomel.org/nginx.html
• http://www.cyberciti.biz/tips/linux-unix-bsd-nginx-webserver-security.html

Security guides of various linux distributions

• Fedora security guide - https://docs.fedoraproject.org/en-US/Fedora/19/html/Security_Guide/index.html
• Ubuntu security guide - https://www.gov.uk/government/publications/end-user-devices-security-guidance-ubuntu-1404-lts
• Debian security guide - https://www.debian.org/doc/manuals/securing-debian-howto/index.en.html

Google Vendor Security Assessment Questionnaire

• Web Application Security Questionnaire - https://vsaq-demo.withgoogle.com/vsaq.html?qpath=questionnaires/webapp.json
• Infrastructure Security https://vsaq-demo.withgoogle.com/vsaq.html?qpath=questionnaires/infrastructure.json
• Physical and Data center Security - https://vsaq-demo.withgoogle.com/vsaq.html?qpath=questionnaires/physical_and_datacenter.json
• Security and privacy program - https://vsaq-demo.withgoogle.com/vsaq.html?qpath=questionnaires/security_privacy_programs.json

Web security guides

• Mozilla web security guidelines - https://wiki.mozilla.org/Security/Guidelines/Web_Security
• Google web security fundamentals - https://developers.google.com/web/fundamentals/security/?hl=en