Leo Caroc

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Leo Caroc

Leo Caroc

@LeoCaroc

Senior Fullstack Developer || Chess Player

Katılım Mayıs 2021
388 Takip Edilen21 Takipçiler
Leo Caroc
Leo Caroc@LeoCaroc·
Cybersecurity doesn’t take holidays. This incident is a reminder that attackers use every calendar moment, even Christmas, to drop exploits and find vulnerable systems. Let’s stay ahead with defense-in-depth, timely patching, and proactive exposure management. #StaySecure
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Leo Caroc
Leo Caroc@LeoCaroc·
💡 What you should do now: ✅ Patch immediately. Upgrade to fixed versions where available. ✅ Disable zlib compression if you can’t upgrade right away. ✅ Restrict network access. Never expose MongoDB to the public internet without strict controls.
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Leo Caroc
Leo Caroc@LeoCaroc·
🚨 Security Alert: MongoBleed – Critical MongoDB Vulnerability & Christmas PoC Drop 🚨 Over the holidays we saw something no engineer wants to see a critical vulnerability in MongoDB, now dubbed MongoBleed (CVE-2025-14847), with a public PoC released right around Christmas.
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Leo Caroc
Leo Caroc@LeoCaroc·
HTTP status codes aren’t just numbers, they’re how the web communicates. 200 means things are working. 301 / 302 remind us change is part of growth. 400 / 404 teach us to validate and handle errors gracefully. 500+ push us to build resilient, reliable systems. #backend #fullstack #coding
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Leo Caroc
Leo Caroc@LeoCaroc·
The REAL roadmap to becoming a Full Stack Developer👇 Stop jumping between random tutorials. Follow this path: HTML → CSS → Git → Projects → JavaScript → React/Vue/Angular → Node.js → DB (MongoDB/Postgres) → Build full-stack apps. No shortcuts. Just consistent execution. Whether you're a student, self-taught, or switching careers — this roadmap will save you months. 💬 Comment “ROADMAP” if you want the step-by-step guide. 🔁 Retweet to help someone serious. #FullStackDeveloper #WebDev #MERN #LearnToCode #CodingJourney
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Leo Caroc
Leo Caroc@LeoCaroc·
🔐 Did you know SMS 2FA has major security risks? Many platforms still let you use SMS codes, but SMS is considered less secure because: • Text messages can be intercepted • They’re vulnerable to phishing • Delivery isn’t always reliable For stronger protection, use an Authenticator App (Authy, Google Authenticator, 1Password, etc.). These apps generate codes offline, making them much harder to steal. Protect your accounts the smarter way. 💡 #CyberSecurity #2FA #SecurityTips #GitHub
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Leo Caroc
Leo Caroc@LeoCaroc·
React is moving toward an async-first model, and use() is a big part of that shift 🚀 📌 Note: This example shows simple data fetching but use() does much more. For things like polling, retries or advanced error handling, traditional methods may still be useful #react #coding
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Leo Caroc
Leo Caroc@LeoCaroc·
🚀 React 19.2 introduces the new use() hook, letting components “await” promises directly during render. It removes many cases for useEffect, cuts extra re-renders, simplifies data fetching, and eliminates waterfall requests. One of React’s biggest upgrades yet.
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Leo Caroc
Leo Caroc@LeoCaroc·
⚠️ Why This Is Critical • Total server compromise is possible • Default setups are affected • Millions of apps worldwide may be vulnerable Stay sharp, stay secure
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Leo Caroc
Leo Caroc@LeoCaroc·
If your application uses React 19 or Next.js with the App Router, you are very likely exposed. 🔧 What You Need To Do Update to the patched versions immediately. This is not a “later tonight” kind of fix, this is a drop everything and patch now situation.
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Leo Caroc
Leo Caroc@LeoCaroc·
🚨 Critical React + Next.js Vulnerability (Severity 10.0) A major security issue has just been disclosed affecting React Server Components and Next.js, rated at the maximum severity level: 10.0.
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