Twitter is very common in the InfoSec area. Many advices and tips on bug hunting or CTF games are posted every day. It is worth following the feeds of some successful security researchers and hackers.
- [@LiveOverflow - Content creator and hacker producing videos on various IT security topics and participating in hacking contests](https://twitter.com/LiveOverflow)
- [@EdOverflow - Web developer, security researcher and triager for numerous vulnerability disclosure programs](https://twitter.com/edoverflow)
- [@r0bre - Bug Hunter for web- and systemsecurity, iOS Security researcher](https://twitter.com/r0bre)
- [@intigriti - European ethical hacking & bug bounty platform](https://twitter.com/intigriti)
- [@Hacker0x01 - American bug bounty platform](https://twitter.com/Hacker0x01)
- [@bugcrowd - Another american bug bounty platform](https://twitter.com/Bugcrowd)
- [@hakluke - Bug bounty hunter, content creator, creator of some great pentesting tools like hakrawler](https://twitter.com/hakluke)
- [@spaceraccoon - Security researcher and white hat hacker. Has worked on several bug bounty programs](https://twitter.com/spaceraccoonsec)
- [@samwcyo - Full time bug bounty hunter](https://twitter.com/samwcyo)
- [@codingo_ - Global Head of Security Ops and Researcher Enablement bugcrowd, Maintainer of some great pentesting tools like NoSQLMap or VHostScan](https://twitter.com/codingo_)