
ZMap
MASSCAN
Nmap
Angry IP Scanner
Whatoblock.com
Shodan
Advanced IP Scanner
Dipiscan
Bugcrowd
HackerOne
Acunetix Vulnerability Scanner
YesWeHack
Intigriti
Netsparker
HackenProof
Sqlmap
BugcrowdBugcrowd is especially recommended for businesses and organizations, regardless of size, that are looking to proactively manage their security risks through a sustainable and controlled vulnerability disclosure or bug bounty program. It is also suitable for companies that lack the internal resources to conduct continuous, effective security testing.
Bugcrowd might be a bit more popular than ZMap. We know about 8 links to it since March 2021 and only 7 links to ZMap. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
They already had your IP. The whole internet (IPv4 adress space) can be scanned in less than one hour (see: https://zmap.io. Source: almost 4 years ago
The numbers above demonstrate that it is theoretically possible to mass scan the entire internet. Effective free-to-use tools can be used to perform mass scans, converting this academic opportunity into practice. ZMap, Masscan, and others promise to scan the entire public IPv4 address space in some ten minutes or so on a typical desktop computer with a gigabit Ethernet connection. Researchers proved that the time... - Source: dev.to / about 4 years ago
Seconds, not minutes or days. https://zmap.io. Source: over 4 years ago
Zmap (zmap.io) is probably the fastest port scanner. But afaik it's main usage is to scan 1 port on the whole internet instead of all ports on one IP (but you can, too). Source: over 4 years ago
Zmap - Open source network scanner that enables researchers to easily perform Internet-wide network studies. - Source: dev.to / almost 5 years ago
I like bugcrowd.com but there are others. Source: about 3 years ago
Depending on what type of cybersecurity you want to do, there's other ways to set yourself apart as well. Another way I'd get confidence in someone's abilities is if they've made bug bounties on bugcrowd.com or hackerone.com, for example. Even then, at big companies those people still have to go through HR just like everybody else. Source: almost 4 years ago
CTFs are the suitable choice in your early phases of learning , just keep an eye on ctftime.org and play some CTFs , if you are confident enough of your skills and disagree with the idea of having a pre-vulnreable software/app then you can do bug bounties on platforms like : Https://Hackerone.com Https://bugcrowd.com. Source: over 4 years ago
Something else that looks great on a resume is bug bounties. There are a number of responsible disclosure websites like HackerOne and BugCrowd where you can find companies willing to either pay or provide thanks for responsibly disclosing security flaws in their products. Look up some tips on bug bounty hunting and if you get lucky you might be able to find something! Source: almost 5 years ago
Hackerone.com and bugcrowd.com but you need hacking skills. Source: about 5 years ago
MASSCAN - This is the fastest Internet port scanner.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Acunetix Vulnerability Scanner - Acunetix Vulnerability Scanner is a platform that offers a web vulnerability scanner and provides security testing to users for their web applications.
Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use
YesWeHack - Global Bug Bounty & Vulnerability Management Platform