Cybersecurity insights for security teams

Practical guides for analysts, threat hunters, and incident responders.

Explore actionable articles on bulk IP lookup, hash reputation, cache strategy, and threat intelligence workflows. Written for security practitioners who need concrete guidance and real-world operational value.

30Articles published
26Topics covered
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Latest articleSecurity Operations

Pass-the-Hash: NTLM, Kerberos, Detection, and Prevention

A defensive guide to Pass-the-Hash, NTLMv1/v2 and Kerberos, Windows logon types, lateral-movement signals, EDR telemetry, and practical prevention.

October 24, 20268 min read
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October 24, 2026Security Operations

Pass-the-Hash: NTLM, Kerberos, Detection, and Prevention

A defensive guide to Pass-the-Hash, NTLMv1/v2 and Kerberos, Windows logon types, lateral-movement signals, EDR telemetry, and practical prevention.

Pass-the-HashNTLMKerberos+3
8 min readRead article
October 22, 2026Data Breaches

eMudhra Key Leak: What the 2026 Reports Confirm

Reports say eMudhra web security keys were exposed. The IT ministry says digital-signature and eSign services are unaffected; the scope remains under investigation.

eMudhraDigital SignaturesSecurity Keys+2
6 min readRead article
October 21, 2026Vulnerability Analysis

PHP’s 2026 RCE Flaws: Fixed Versions and Response

PHP disclosed two critical RCE flaws in October 2026. See affected versions, fixed releases, and defensive steps for administrators.

PHPRemote Code ExecutionCVE-2026-109618+2
6 min readRead article
October 21, 2026Data Breaches

SBI’s 2026 Cyber Incident: What the Data Reports Confirm

October 2026 reports say nearly 3,900 SBI customer records were exposed. Here is what coverage confirms—and what remains unknown.

State Bank of IndiaSBIData Exposure+2
6 min readRead article
August 3, 2026Threat Intelligence

How BulkIPLab Handles Bulk URL Reputation Checks

A code-verified walkthrough of BulkIPLab URL lookup: input normalization, VirusTotal submissions, sanitized result display, local caching, and important limitations.

URL ReputationThreat IntelligenceVirusTotal+2
7 min readRead article
June 20, 2026Engineering

Adding AbuseIPDB to a Bulk IP Lookup: The BulkIPLab Integration

A technical walkthrough of how BulkIPLab requests AbuseIPDB IP reports, keeps API credentials server-side, presents report counts and confidence scores, and handles the limits of reputation data.

AbuseIPDBIP ReputationAPI Integration+2
9 min readRead article
May 16, 2026Malware Analysis

How to Interpret Hash Reputation Results Correctly

Use vendor detections as one signal. Check coverage, analysis time, file provenance, behavior, and internal context before deciding how to handle a file.

Hash AnalysisThreat IntelligenceMalware+2
8 min readRead article
May 13, 2026Threat Intelligence

Handling False Positives in Bulk IP Reputation Analysis

A reputation match is not a verdict. Use event context, bounded exceptions, and outcome tracking to reduce noise without allowing a shared address to bypass review.

False PositivesIP ReputationSOC+2
7 min readRead article
May 4, 2026Threat Intelligence

Bulk IP research best practices for security teams

Prepare IP data before enrichment, keep provider results tied to observed events, and prioritize investigation without mistaking reputation for proof.

IP ResearchThreat IntelligenceSOC+2
7 min readRead article
Your IP: Unknown
Threat intel, without the busywork

Bulk IP Reputation Lookup

BulkIPLab is an online cybersecurity tool for checking IPv4 reputation in bulk. Review VirusTotal-based threat detections, geolocation, ASN, and ISP details, then filter or export your results.

01Paste IPv4sOne address per line
02Check reputationVirusTotal-based threat data
03Export resultsCSV or clipboard

Check IP addresses

Paste IPv4 addresses, one per line, to review reputation and network details.

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Cybersecurity tools and research from BulkIPLab

BulkIPLab brings together bulk IPv4 reputation checks, file hash lookups, URL analysis, and practical security research for analysts and defenders. Explore our latest vulnerability coverage, incident reporting, threat hunting guides, and defensive explainers.

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