A threat intelligence platform collects threat data from many sources, normalizes it, enriches it and pushes the useful parts to the tools and people who can act. You need one when you have enough consumers of that data and staff to curate it. Smaller teams often do well with free feeds and a spreadsheet.
What does it actually hold?
Threat intelligence comes in layers. Indicators are low level facts such as malicious domains, file hashes and IP addresses. Tactics, techniques and procedures describe how an adversary operates, and MITRE ATT&CK is the common catalog for them. Reports and context say who is targeting what and why it matters.
NIST SP 800-150, the guide to cyber threat information sharing, describes why organizations share such information and how to do it, including the importance of agreeing on sharing rules and handling sensitive data. It is a good place to start for the human side of the problem.
How do platforms share data?
Two open standards from OASIS do much of the plumbing. STIX is a language for describing threat information as structured objects such as indicators, malware, campaigns and relationships. TAXII is a protocol for exchanging STIX content between systems. A platform that speaks both can ingest feeds from partners and industry sharing groups and publish its own.
Without a common format, every feed needs custom parsing, and relationships get lost in plain lists of addresses.
What does a platform do day to day?
- Ingest from commercial, open and community feeds.
- Deduplicate and score so a stale indicator does not outrank a fresh one.
- Enrich with context such as first seen, associated campaigns and confidence.
- Distribute to firewalls, mail gateways, logging systems and analysts.
- Expire old data. Addresses get reassigned, and blocking one forever causes false positives.
Constructed example: the stale indicator
A team adds 40,000 addresses from a feed to its firewall blocklist. Six months later, support reports that a partner's service is unreachable. The partner's provider received an address that was once used by an attacker. Nobody set an expiry on the feed's entries. The fix was not a bigger feed. It was an age limit and a source confidence score, which is what the platform layer is supposed to handle.
What are the common mistakes?
Teams often collect before they decide. They subscribe to feeds, pile up indicators and discover that no tool consumes them. Others treat every indicator as equal, so a year old address from an unverified source blocks traffic as hard as a confirmed one from yesterday. A third mistake is ignoring sharing rules. NIST SP 800-150 stresses agreeing how information may be shared and protecting sensitive details, so check marking and handling rules before forwarding anything.
Do you need one?
Ask four questions. Who will consume the intelligence? What decision will it change? Who will tune it? How will you measure value?
A large security team with detection engineering, incident response and vulnerability management can use a platform to keep everyone on the same facts. A ten person company probably gets more from patching quickly, enabling multi factor authentication and subscribing to government alerts.
One kind of intelligence is useful to nearly everyone: which vulnerabilities are being exploited. CISA's Known Exploited Vulnerabilities catalog is free and tells you what to patch first. Safeguard's zero-day discovery and reachability analysis feed the software side of this question by showing which newly disclosed flaws sit in dependencies your code actually calls.
How to check or apply this
- Write the top three decisions that intelligence should change, such as patch priority or blocklist updates.
- Identify the consumers: tools, analysts and managers.
- Start with free sources: government advisories, the KEV catalog and community sharing groups in your sector.
- Prefer STIX and TAXII support so data moves without custom glue.
- Add expiry and confidence to every indicator before it reaches a blocking control.
- Assign an owner who reviews quality monthly.
- Measure outcomes, for example time to patch exploited flaws, not the number of feeds.
Quick check
What is the difference between STIX and TAXII?
STIX describes the threat data in a structured format. TAXII is the protocol used to exchange STIX content between systems.
Is more threat data always better?
No. Unfiltered feeds create false positives and alert fatigue. Quality, context and expiry matter more than volume.
Sources
- NIST SP 800-150, Guide to Cyber Threat Information Sharing
- OASIS CTI documentation, STIX and TAXII
- MITRE ATT&CK
- CISA Known Exploited Vulnerabilities Catalog
Last reviewed: 18 October 2026.
