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Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Feeds

Threat Intelligence Fundamentals

Threat intelligence transforms raw data into actionable security insights. Feeds provide indicators of compromise (IOCs), tactics techniques and procedures (TTPs), and adversary profiles.

STIX and TAXII Standards

STIX (Structured Threat Information Expression) and TAXII (Trusted Automated Exchange of Intelligence Indicators) are the industry standards for threat intelligence exchange.

from stix2 import Indicator, Bundle, TAXIICollectionSource

from taxii2client import Collection

Create a STIX indicator

indicator = Indicator(

name="Malicious IP",

indicator_types=["malicious-activity"],

pattern="[ipv4-addr:value = '203.0.113.5']",

pattern_type="stix",

valid_from="2026-01-01T00:00:00Z"

)

Bundle indicators

bundle = Bundle(indicator)

print(bundle.serialize(pretty=True))

Consume from TAXII feed

collection = Collection("https://taxii.example.com/collections/123")

source = TAXIICollectionSource(collection)

for indicator in source.query():

print(indicator["name"], indicator["pattern"])

Feed Integration with SIEM

Ingest feeds into your SIEM for correlation:

import requests

from elasticsearch import Elasticsearch

class ThreatIntelIngestor:

def init(self, es_host="localhost:9200"):

self.es = Elasticsearch([es_host])

def fetch_and_index(self, feed_url, feed_name):

resp = requests.get(feed_url, headers={"Accept": "application/stix+json"})

indicators = resp.json().get("objects", [])

for ioc in indicators:

doc = {

"feed": feed_name,

"type": ioc.get("type"),

"pattern": ioc.get("pattern"),

"severity": ioc.get("confidence", 50),

"valid_until": ioc.get("valid_until"),

"ingested_at": "now"

}

self.es.

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