Top 7 Open-Source Phishing Feeds for Cyber Threat Intelligence

Introduction

Phishing is still one of the most common cyberthreats, affecting people and businesses all around the world. Attackers steal credentials, financial information, and sensitive data by using bogus websites, malicious URLs, and misleading emails. Cybersecurity experts use open-source phishing feeds, which offer real-time cyber threat intelligence on new phishing campaigns, to combat these threats.

The top 7 open-source phishing feeds, their characteristics, and how they might strengthen your online defenses will all be covered in this post.

Criteria for Selection

These phishing feeds were chosen based on:

• Timeliness: Regular updates containing the most recent signs of phishing.
• Data Accuracy: Reliable, high-quality threat intelligence.
• Integration Capability: Simple integration with SIEMs and security solutions.
• Community Contribution: Open-source and supported by security researchers.

Top 7 Open-Source Phishing Feeds

1. OpenPhish

• Website: https://www.openphish.com
• Description: A real-time phishing feed that tracks and detects active phishing URLs. Also provide information related to targeted sectors and brands.
• Key Features:
  • Automated detection of phishing sites.
  • JSON and CSV feed formats for integration and text-based feeds for the community.
  • Covers a variety of phishing tactics.
• Best For: Security teams, SOC analysts, and email security tools.

2. PhishTank

• Website: https://www.phishtank.com
• Description: PhishTank is a collaborative clearinghouse for data and information about phishing on the Internet. Also, PhishTank provides an open API for developers and researchers to integrate anti-phishing data into their applications at no charge.
• Key Features:
  • Users can verify phishing URLs by submitting.
  • An API for real-time lookups.
  • Free to integrates with security tools and use.
• Best For: Threat intelligence teams and security researchers.

3. URLhaus (by abuse.ch)

• Website: https://urlhaus.abuse.ch
• Description: URLhaus is a platform from abuse.ch and Spamhaus dedicated to sharing malicious URLs that are being used for malware distribution. Report URLs and explore the database for valuable intelligence. Use the APIs to seamlessly push and pull signals and automate bulk queries. With this intelligence, gain insights into malware behavior to help identify, track, and mitigate against malware and botnet-related cyber threats.
• Key Features:
  • Maintained by security researchers across the globe.
  • A structured database of known malicious URLs.
  • API-based queries for automated analysis.
• Best For: SOC teams, network defenders, and malware analysts.

4. CERT Polska Phishing Feeds

• Website: https://www.cert.pl
• Description: The CERT Polska team operates within the structures of NASK the National Research Institute conducting scientific activities, the national registry of .pl domains and providing advanced teleinformatic services. CERT Polska is the first incident response team established in Poland. Thanks to its dynamic activity since 1996 in the response team environment, it has become a recognizable and experienced entity in the field of computer security.
• Key Features:
  • Tracks actively phishing websites and fake login pages.
  • Open for security teams for free use.
  • Provides structured threat intelligence feed.
• Best For: Financial institutions, enterprises, and ISPs.

5. Spamhaus Phishing Feed

• Website: https://www.spamhaus.org
• Description: Spamhaus Project is the authority on IP and domain reputation. This intelligence enables us to shine a light on malicious activity, educate and support those who want to change for the better and hold those who don’t to account. We do this together with a like-minded community.
• Key Features:
  • Detects phishing domains and IPs.
  • Helps block phishing emails and malicious links.
  • Free for non-commercial use.
• Best For: Email security teams and IT administrators.

6. SANS Internet Storm Center (ISC) Suspicious Domains

• Website: https://isc.sans.edu
• Description: Part of the SANS Technology Institute, the Internet Storm Center (ISC) stands as a beacon of vigilance and resilience in the ever-evolving landscape of cybersecurity. Born out of necessity in 2001, following the ominous emergence of the Li0n worm, this pivotal institution has transformed into a global force, safeguarding millions against the relentless onslaught of cyber threats.
• Key Features:
  • Real-time updates on suspicious and malicious domains.
  • Helps in early detection of phishing campaigns.
  • Publicly available for security professionals.
• Best For: Cybersecurity researchers and network defenders.

7. ThreatFox (by abuse.ch)

• Website: https://threatfox.abuse.ch
• Description: ThreatFox is a platform from abuse.ch and Spamhaus dedicated to sharing indicators of compromise (IOCs) associated with malware with the infosec community, AV vendors, and cyber threat intelligence providers. Upload IOCs and explore the database for valuable intelligence. Use the APIs to seamlessly push and pull signals and automate bulk queries. With this intelligence, gain insights into malware behavior to help identify, track, and mitigate against malware and botnet-related cyber threats.
• Key Features:
  • Community-driven phishing and malware intelligence.
  • Supports API-based lookups for integration.
  • Provides structured threat data in multiple formats.
• Best For: Threat intelligence analysts and security teams.

How to Use Phishing Feeds Effectively

• Integrate with SIEM & SOAR: Automate threat detection and response.
• Monitor & Analyze Data: Cross-reference feeds for better accuracy.
• Block Malicious URLs: Use feeds to update web filtering policies.
• Share Intelligence: Contribute new phishing indicators to help the security community.

Conclusion

When it comes to protecting against phishing assaults, open-source phishing feeds are essential. Security teams can improve their threat detection and response skills by utilizing the feeds discussed in this article. Keep yourself updated, incorporate these feeds into your security procedures, and defend against phishing attacks that are always changing.

Did we miss any valuable phishing feed? Let us know in the comments!