Bitcoin is such attractive giving hackers sleepless nights just to invade into users Privacies to steal their funds.
You are mixing security and privacy. People wallets were hacked because they did not secure their wallets, devices properly and practically they were too careless so that they gave hackers opportunities to compromise their devices and wallets.
Your Privacy can be leaked, but your bitcoin will not be found or stolen.
While Bitcoin core teams are tirelessly updating the security softwares in dismantling the malicious strategies of the hackers, miners are also revalidating users transactions in confirming its Proof of Work in the Bitcoin blockchain which also enables the distabilization dooming hackers to fail in cracking the decentralized security walls of the Blockchain.
So, intensively, threats would keep hitting up on the Bitcoin security terrains just to extract the treasures out of it but on revalidations and security reviews, it would keep being impossible for the to succeed so, the conciousness of users having their decentralized blockchains safe depends on individual users intercourse.
You tried to mix many words but it does not help your post quality and coherence. Incorrect information is in your post too. Miners confirm transactions, Bitcoin nodes relay and validate new transactions and new blocks. Miners do not validate transactions, it's incorrect information.
https://learnmeabitcoin.com/technical/networking/node/