Do you have an admin panel? Then you might be interested in my recent article @codeship: How to protect a sensitive area of your application with mutual TLS authentication. That means the client also authenticates itself against the server with a client-side certificate. The full nginx web server configuration is available here.
Now, what was worth reading recently:
About rel=noopener
About rel=noopener in links to remove access to the window JS object when linking with target=_blank
Let’s encrypt with a Rails app on Heroku
Remote Code Execution in all git versions (client + server) < 2.7.4: CVE-2016-2324, CVE-2016‑2315
Remote Code Execution in git client and server
Vendor Security Assessment Questionnaires
The web app security questionnaire that Google uses to assess vendors
Securitychecklist.org
A basic security checklist from all levels with quick wins
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