91 Alternatives to first.org

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balbix.com

Balbix enables organizations to discover, prioritize and mitigate unseen risks and vulnerabilities at high velocity.

circl.lu

CIRCL » CIRCL -- Computer Incident Response Center Luxembourg -- CSIRT -- CERT

plextrac.com

More Time Hacking, Less Time Reporting.

phoenix.security

debricked.com

Open source vulnerability management made simple. Debricked helps you stay on top of security while maintaining your development speed.

mitre.org

MITRE is a not-for-profit corporation committed to the public interest, operating federally funded R&D centers on behalf of U.S. government sponsors. MITRE's mission-driven teams are dedicated to solving problems for a safer world.

cvedetails.com

CVE security vulnerability database. Security vulnerabilities, exploits, references and more

beyondsecurity.com

Secure your applications and networks with the industry's only network vulnerability scanner to combine SAST, DAST and mobile security.

portswigger.net

PortSwigger offers tools for web application security, testing, & scanning. Choose from a range of security tools, & identify the very latest vulnerabilities.

sans.org

SANS Institute is the most trusted resource for cybersecurity training, certifications and research. Offering more than 60 courses across all practice areas, SANS trains over 40,000 cybersecurity professionals annually.

exploit-db.com

The Exploit Database - Exploits, Shellcode, 0days, Remote Exploits, Local Exploits, Web Apps, Vulnerability Reports, Security Articles, Tutorials and more.

riskbasedsecurity.com

RBS

qualys.com

Qualys, Inc. helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

offensive-security.com

Build cyber workforce resilience with our unmatched skills development and hands-on learning platform and library.

hackerone.com

HackerOne | #1 Trusted Security Platform and Hacker Program

tenable.com

Tenable® - The Exposure Management Company

shodan.io

Search Engine for the Internet of Things

recordedfuture.com

Recorded Future is the most comprehensive and independent threat intelligence cloud platform. We enable organizations to identify and mitigate threats across cyber, supply-chain, physical and fraud domains; and are trusted to get real-time, unbiased and actionable intelligence.

packetstormsecurity.com

Information Security Services, News, Files, Tools, Exploits, Advisories and Whitepapers

vuldb.com

Number one vulnerability management and threat intelligence platform documenting and explaining vulnerabilities since 1970.

acunetix.com

Acunetix is an end-to-end web security scanner that offers a 360 view of an organization's security. Allowing you to take control of the security of all you web applications, web services, and APIs to ensure long-term protection. Acunetix's scanning engine is globally known and trusted for its unbeatable speed and precision.

rapid7.com

Level up SecOps with the only endpoint to cloud, unified cybersecurity platform. Confidently act to prevent breaches with a leading MDR partner. Request demo!

owasp.org

OWASP Foundation, the Open Source Foundation for Application Security on the main website for The OWASP Foundation. OWASP is a nonprofit foundation that works to improve the security of software.

cybersecurity-help.cz

trusted-introducer.org

terena.org

vanimpe.eu

nist.gov

National Institute of Standards and Technology

us-cert.gov

As part of its mission, CISA leads the effort to enhance the security, resiliency, and reliability of the Nation's cybersecurity and communications infrastructure.

getsafeonline.org

Get Safe Online | The UK's leading Online Safety Advice Resource

hackingarticles.in

Raj Chandel's Blog

misp-project.org

infosecmatter.com

Blogging and sharing knowledge about cyber security, writing howtos, tips and tricks about penetration testing, red teaming, but also defense. Raising security awareness.

anomali.com

vulmon.com

Vulmon is a vulnerability and exploit search engine with vulnerability intelligence features.

netsparker.com

Get accurate, automated application security testing that scales like no other solution. Secure 1000s of web assets with less manual effort. Reduce your risk with the only…

giac.org

GIAC Certifications develops and administers premier, professional information security certifications. More than 30 certifications align with SANS training and ensure mastery in critical, specialized InfoSec domains. GIAC certifications provide the highest and most rigorous assurance of cyber security knowledge and skill available to industry, government, and military clients across the world.

itsecdb.com

CVE security vulnerability database. Security vulnerabilities, exploits, references and more

cybersecurityintelligence.com

Cyber Security Intelligence

sans.edu

The SANS Technology Institute (SANS.edu) offers career-focused undergraduate and graduate programs on the cutting edge of cybersecurity. All of SANS.edu programs are designed and taught by world-class instructors and lead to industry-recognized GIAC certifications. 100% online options are available for all SANS.edu programs.

telegram.net

The official UK Telegram Service. Whatever the occasion, for important, urgent and special announcements, a telegram won't be overlooked. We deliver within the United Kingdom or Overseas so you can mark any occasion with the style and tradition of a Telegram. Send a Telegram for lasting memories.

canuwrite.com

This page contains speech and essay samples, roasts, toasts, essays, articles and more

hacktricks.xyz

Carlos Polop's Website

bettercreditcards.com

cert.org

The CERT Division | Software Engineering Institute

infosecinstitute.com

Role-based content to prepare for exams, certifications, or to train your entire workforce.

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Medicinal remedies: 100% natural herbal treatments for skin conditions - warts, fungus, burns, itching, rashes, bug & spider bites, bruises, pet remedies.

fireeye.com

Enhance your cybersecurity resilience with XDR. Detect and respond to threats quickly, modernize SecOps, and defend against ransomware.

kali.org

Home of Kali Linux, an Advanced Penetration Testing Linux distribution used for Penetration Testing, Ethical Hacking and network security assessments.

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nsee.org

Society for Experiential Education (NSEE) is a nonprofit membership association of educators, businesses, and community leaders. Founded in 1971, NSEE also serves as a national resource center for the development and improvement of experiential education programs nationwide. ... The mission of NSEE is to foster the effective use of experience as an integral part of education, in order to empower learners and promote the common good. ...

infosecwriteups.com

A collection of write-ups from the best hackers in the world on topics ranging from bug bounties and CTFs to vulnhub machines, hardware challenges and real life encounters. Subscribe to our weekly newsletter for the coolest infosec updates: https://weekly.infosecwriteups.com/.

bodpiercing.com

whitesourcesoftware.com

Human Verification

cxsecurity.com

CXSECURITY (Independent information about security) is a huge collection of information on data communications safety. Its main objective is to inform about errors in various applications.

damaxestatesgh.com

andreafortuna.org

Cybersecurity expert, software developer, experienced digital forensic analyst, musician

veracode.com

Veracode's mission is to ensure that software is secure from the start. With our platform you can continuously find and fix security flaws throughout the software development lifecycle. Veracode brings security and development teams together.

heavenzoo.com

eclecticiq.com

Stay ahead of rapidly evolving threats and outmaneuver adversaries with Intelligence at the core™ of your cyberdefenses. Intelligence | Automation | Collaboration.

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techvera.com

We'll help you build a better, more efficient business with custom technology and 24/7 IT support. Texas' technology experts since 2001.

ssllabs.com

Bringing you the best SSL/TLS and PKI testing tools and documentation.

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statisticshowto.com

A guide for topics in elementary and AP statistics. Includes calculators, tables and a forum.

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crowdstrike.com

CrowdStrike is a global cybersecurity leader with an advanced cloud-native platform for protecting endpoints, cloud workloads, identities and data.

sigmaaldrich.com

Home

goodsamapp.org

crest-approved.org

acs.org

Primary professional organization for chemists and related occupations.

airlinegenius.com

uptycs.com

pentest-tools.com

Pentest-Tools.com is a cloud-based toolkit for offensive security testing, focused on web applications and network penetration testing.

incibe-cert.es

detectify.com

volatilityfoundation.org

crashtest-security.com

Crashtest Security is a market-leading automated penetration testing tool for web applications & APIs - enterprise-grade with a user-friendly interface.

threatconnect.com

Learn how we enable cyber threat intelligence and security operations teams to act on the highest fidelity intelligence and automate processes. Get a demo.

vulners.com

Vulnerability database enriched with millions CVE, exploits, articles, varied tools and services for vulnerability management against cybersecurity threats

firstinspires.org

FIRST is a global robotics community preparing young people for the future and the world's leading youth-serving nonprofit advancing STEM education.

pentestlab.blog

Offensive Techniques & Methodologies

thehive-project.org

cobalt.io

Cobalt is modernizing traditional pentesting. We leverage global talent and a SaaS platform to deliver a better pentest via Pentest as a Service (PtaaS).

virtualbox.org

Oracle VM VirtualBox

wonderhowto.com

Wonder How To is your guide to free how to videos on the Web. Search, Browse and Discover the best how to videos across the web using the largest how to video index on the web. Watch the best online video instructions, tutorials, & How-Tos for free. Have your own how to videos? Submit them to share with the world.

linuxconfig.org

LinuxConfig.org

isc2.org

ISC2 is the world's leading member association for cybersecurity professionals. Our members, candidates and associates are leading the cybersecurity profession and safeguarding the way we live by creating a safe and secure cyber world.

speedguide.net

SpeedGuide :: Broadband Tweaks, Wireless Networks, Security

threatpost.com

Threatpost, is an independent news site which is a leading source of information about IT and business security for hundreds of thousands of professionals worldwide.

cybrary.it

Cybersecurity courses, certification and cyber security training from Cybrary, for individuals and business organization teams to get IT & cyber security certified and develop career skills.