Tutorial
How to Detect and Respond to Ransomware in Cyber Security
Use this practical workflow to identify ransomware activity early, contain the blast radius, preserve evidence, and verify recovery before returning systems to service.
VectraOps knowledge library
Security
Content about cybersecurity strategies, tools, and practices for protecting systems, networks, applications, and data belongs here. It also includes security automation, threat detection, incident response, compliance, identity management, and operational guidance for reducing risk in IT environments.
Tutorial
Article
DNS Sinkhole Configuration for Malware Domain Blocking
A DNS sinkhole can stop clients from resolving known malicious domains while preserving visibility into blocked lookups. This article explains how it works, when to use it, and …
Tutorial
How to Detect Lateral Movement with Network Traffic Analysis
Lateral movement often hides inside ordinary internal traffic, so detection depends on knowing which patterns matter, how to validate them, and how to operationalize the results. This tutorial …
Tutorial
How to Detect Phishing Attacks Using Email Header Analysis
Email headers expose the routing, authentication, and identity signals that help distinguish legitimate messages from phishing. This tutorial shows how to inspect headers, interpret key fields, validate suspicious …
Article
Detecting Active Directory DCSync Attacks with Event Logs
DCSync abuse is often visible only in the right security telemetry. This article explains which event logs matter, how to correlate them, and how to decide whether your …
Article
How to Audit Active Directory Permissions for Excess Access
Excessive permissions in Active Directory often hide in delegated admin rights, nested group membership, and inherited ACEs. This article shows how to audit effective access, spot the patterns …
Article
Detecting Active Directory Privilege Escalation Paths with BloodHound
BloodHound turns Active Directory relationships into a graph that helps security teams identify privilege escalation paths before they are used. This article explains how to interpret the findings, …
Tutorial
DNSSEC Tutorial: Protecting DNS Records from Spoofing
DNSSEC adds cryptographic integrity to DNS so resolvers can verify that responses were not altered in transit. This tutorial shows how to plan, sign, validate, and operate DNSSEC …
Article
How to Detect and Block DNS Tunneling Attacks
DNS tunneling can hide command-and-control or data exfiltration inside ordinary DNS queries. Learn the signals, validation workflow, and blocking choices that work in production without breaking resolution.