Common Issues
security
My Users' Passwords Might Be Exposed
You just realized — or someone told you — that your app might not be storing user passwords safely. Maybe passwords are saved as plain text in the database, visible in logs, or sent without encryption. If anyone gets access to your database, they can see every user's actual password.
This is one of the most serious security problems an app can have. People reuse passwords across many sites, so if their password is exposed on your app, hackers can try it on their email, bank, and social media accounts too.
Even if no one has exploited this yet, you need to fix it before they do. The longer passwords sit unprotected, the greater the risk.
Error Messages You Might See
No obvious error — you discover this by checking your database or logs
Security audit warning: passwords stored in plaintext
SSL certificate missing
Mixed content warning
Common Causes
- Passwords stored as plain text — The app saves the actual password instead of a scrambled (hashed) version that can't be read back
- Passwords visible in database — You can open your database and read users' passwords in a column, which means they're not encrypted
- Passwords sent over unencrypted connections — Your login page uses HTTP instead of HTTPS, so passwords travel over the internet unprotected
- Passwords logged in server logs — The app accidentally writes passwords to log files that might be accessible to others
- Using homemade encryption — Instead of using proven security methods, the AI used a custom approach that isn't actually secure
How to Fix It
- Check how passwords are stored — Look in your database. If you can read the actual passwords, they're not properly protected
- Implement proper password hashing — Have a developer add bcrypt or Argon2 hashing so passwords are scrambled before storage
- Force all users to reset their passwords — Once proper hashing is in place, require everyone to create a new password
- Make sure your site uses HTTPS — Check that your website URL starts with https:// and that your hosting has an SSL certificate
- Check server logs — Search your logs for any password data and configure logging to exclude sensitive information
- Consider using a trusted auth service — Services like Supabase Auth, Firebase Auth, or Auth0 handle password security properly so you don't have to
Real developers can help you.
Matthew Butler
Systems Development Engineer @ Amazon Web Services
Costea Adrian
Embedded Engineer specilizing in perception systems. Latest project was a adas camera calibration system.
Basel Issmail
’m a Senior Full-Stack Developer and Tech Lead with experience designing and building scalable web platforms. I work across the full development lifecycle, from translating business requirements into technical architecture to delivering reliable production systems.
My work focuses on modern web technologies, including TypeScript, Angular, Node.js, and cloud-based architectures. I enjoy solving complex technical problems and helping teams turn product ideas and prototypes into working platforms that can grow and scale.
In addition to development, I often collaborate closely with product managers, business analysts, designers, and QA teams to ensure that solutions align with both technical and business goals.
I enjoy working with startups and product teams where I can contribute both as a hands-on engineer and as a technical partner in designing and delivering impactful software.
Meïr Ankri
Full-stack developer specializing in React / Next.js / Node.js with 6+ years of experience. I've worked across various sectors including automotive (Reezocar/Société Générale), healthcare (Medical Link SaaS), and e-commerce (Glasman). I build web apps end-to-end, from architecture to production, with a focus on scalability, performance, and code quality. I also mentor junior developers and contribute to technical decisions and code reviews.
Mehdi Ben Haddou
- Founder of Chessigma (1M+ users) & many small projects
- ex Founding Engineer @Uplane (YC F25)
- ex Software Engineer @Amazon and @Booking.com
Victor Denisov
Developer
Stanislav Prigodich
15+ years building iOS and web apps at startups and enterprise companies. I want to use that experience to help builders ship real products - when something breaks, I'm here to fix it.
Sage Fulcher
Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them)
Jared Hasson
Full time lead founding dev at a cyber security saas startup, with 10 yoe and a bachelor's in CS. Building & debugging software products is what I've spent my time on for forever
Richard McSorley
Full-Stack Software Engineer with 8+ years building high-performance applications for enterprise clients. Shipped production systems at Walmart (4,000+ stores), Cigna (20M+ users), and Arkansas Blue Cross. 5 patents in retail/supply chain tech. Currently focused on AI integrations, automation tools, and TypeScript-first architectures.
Describe what's wrong in plain English. No technical knowledge needed.
Get HelpFrequently Asked Questions
How can I tell if passwords are stored securely?
Look at your database. If you can read the actual passwords (like 'mypassword123'), they're NOT secure. Properly hashed passwords look like long random strings of characters (like '$2b$10$xJ3...') that are impossible to read back.
Should I tell my users about this?
Yes. Be honest and transparent. Tell them you discovered a security issue, that you've fixed it, and ask them to change their password on your app AND on any other site where they used the same password.