As you know by now, cyberthreat intelligence focuses on providing actionable information on adversaries to build a proper cyber defense against attacks.
Knowing the right resources will help you to speed up your research as well as get the right advice from the industry. Check out these resources (listed in alphabetic order):
- AlienVault.com: Multiple sources including large honeynets that profile adversaries.
- Cyveilance.com: Unique feeds on threat actors and indications of criminal intent.
- EmergingThreats.net: A variety of feeds.
- FireEye.com: Dynamic Threat Intelligence (DTI) service.
- Hacksurfer.com (SurfWatch): Insights tailored to your business.
- InternetIdentity.com: Threat feeds from their big data solution, ActiveTrust.
- RecordedFuture.com: Real-time threat intelligence from the web.
- Advanced security with Intelligent Security Graph (https://www.microsoft.com/en-us/security/operations/intelligence): Advanced analytics link massive amounts of threat-intelligence and security data to provide you with unparalleled threat protection and detection.
- Secureworks.com: Provides feeds and also instruments networks.
- Symantec.com: DeepInsight feeds on a variety of topics including reputation.
- Spytales.com: Everything there is to know about the past, present, and future of spies.
- Team-Cymru.com: Threat intelligence plus bogon lists.
- TheCyberThreat: Our Twitter feed. High-level but comprehensive and curated.
- ThingsCyber.com: The most critical lessons in cyber conflict and cybersecurity, relevant for your defense today.
- ThreatConnect.com: Created by Cyber Squared and focused on information sharing.
- ThreatGrid.com: Unified malware analysis. Now part of Cisco.
- ThreatIntelligenceReview.com: Updated reviews of threat-intelligence sources.
- ThreatSTOP.com: Block botnets by IP reputation.
- ThreatStream.com: Famous team. Multiple sources in interoperable platforms.
- ThreatTrack.com: Stream of malicious URLs, IPs, and malware/phishing-related data.
- Verisigninc.com: iDefense feeds that are highly regarded by some key institutions.