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Vulnerability Management

Vulnerability Management

Vulnerability Management

Vulnerability Management

Vulnerability Management

Vulnerability Management

Vulnerability Management

Vulnerability Management

Vulnerability Management

The Vulnerability Management Lifecycle

Vulnerability management is a continuous process: discover, classify, prioritize, remediate, and verify. It is not a quarterly checkbox exercise.

Scanning Infrastructure

Deploy scanners across your environment:

scan-schedule.yaml

scanners:

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\- type: network

tool: nessus

target: 10.0.0.0/8

schedule: daily

port_range: 1-65535

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\- type: webapp

tool: burp-suite

target: "https://*.example.com"

schedule: weekly

auth_session: required

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\- type: container

tool: trivy

target: "registry.example.com/*"

schedule: on-push

CVSS and EPSS Prioritization

CVSS (Common Vulnerability Scoring System) measures severity. EPSS (Exploit Prediction Scoring System) measures likelihood of exploitation.

import requests

class VulnerabilityPrioritizer:

def init(self):

self.epss_api = "https://api.first.org/epss/v1"

def prioritize(self, vulnerabilities):

scored = []

for vuln in vulnerabilities:

cvss = vuln.get("cvss_score", 0)

Get EPSS score

epss = self.get_epss(vuln["cve_id"])

Combined priority score

priority = (cvss * 0.4) + (epss * 0.6)

scored.append({

"cve": vuln["cve_id"],

"cvss": cvss,

"epss": epss,

"priority": priority,

"has_exploit": vuln.get("exploit_available", False)

})

return sorted(scored, key=lambda x: x["priority"], reverse=Tru

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