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aetzzzz

@aetzzzz

9 months ago
Photo by @aetzzzz on January 08, 2026.
Photo by @aetzzzz on January 08, 2026.
Photo by @aetzzzz on January 08, 2026.
Photo by @aetzzzz on January 08, 2026.
Photo by @aetzzzz on January 08, 2026.
Photo by @aetzzzz on January 08, 2026.
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Posted On: January 8th 2026, 10:16 am
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they went into the oven as cats and came out as the couch cushions ๐Ÿ˜ญ Six little cats lined up on the tray with carefully shaped ears, curled tails, and chocolate-chip eyes. A little heat later, everyone had spread into their neighborโ€™s personal space. The eyes survived, but the rest of the batch looked like it had settled in for a very long nap. Cats have flexible spines that help them stretch and curl up. Their tails help them balance when moving. Cats often tuck their paws beneath their bodies when resting. Save this for more cat facts, and share it with someone whose baking ambitions exceed their results.
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i'm on level 25 now yall ๐Ÿ’š thanks for so much more love. last night and today was a sweet and much needed reminder of how much love is out there. thanks for sharing it with me๐Ÿ’š
๐Ÿšจ Interview question: 10,000 bots are hammering your login API. How do you stop them without locking out real users? Most people say "just block them." Here's why that fails ๐Ÿ‘‡ โŒ Blocking IPs doesn't work. The bots come from thousands of different IPs, each sending only a few requests, so no single source looks suspicious. โŒ Login is expensive on purpose. bcrypt is deliberately slow so attackers can't guess passwords quickly. But that means every fake attempt burns real CPU, and enough of them turns an attack into an outage. โŒ Rate limits don't catch it. Attackers use email and password pairs leaked from other sites, with only 1-2 tries per account. Your "5 attempts" rule never triggers. โŒ Lockouts backfire. Now attackers can lock real users out on purpose. โœ… The real fix: decide earlier. Put a cheap risk check in front of the expensive one, and only spend CPU on requests that look real. What the risk check looks at: ๐Ÿ”น TLS fingerprint: a real iPhone app and a Python script connect differently, even if both claim to be an iPhone ๐Ÿ”น Failure rate: a client failing most of its logins is suspicious ๐Ÿ”น Known device: have we seen this device before? No single signal is enough, so you combine them and respond in proportion: ๐ŸŸข Low risk โ†’ straight through ๐ŸŸก Medium risk โ†’ CAPTCHA ๐Ÿ”ด High risk โ†’ dropped before it touches bcrypt Real users barely notice. Bots get expensive. ๐Ÿ’ธ Interview answer in one line: score each request cheaply, challenge the doubtful ones, and protect the slow, expensive step behind them. ๐Ÿ“Œ Save this for your next system design interview ๐Ÿ’ฌ Comment "SECURITY" if you want the next one on rate limiting โž• Follow for more backend concepts explained visually Hashtags: #systemdesign #softwareengineering #backend #cybersecurity #codinginterview techinterview programming developer bcrypt webdevelopment learncoding computerscience botprotection apidesign tech
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Coming Soon: Music sensation and actress Agnez Mo makes her Madame Tussauds Hollywood Debut โค๏ธโ€๐Ÿ”ฅ
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