Incident Analysis

What is a smurf attack and how do you block it?

A smurf attack floods a victim by tricking a network into replying to a forged request. Block directed broadcasts and filter spoofed sources to stop it.

What are the signs of malware on a computer or phone?

Malware often shows through odd behavior, but many infections show nothing. Learn the common signs, what to do first and how to avoid reinfection.

What Should You Log to a SIEM and How Long Should You Keep It?

Send logs showing who did what, where and when, starting with identity, endpoint and cloud audit trails. NIST and CISA guidance helps set scope.

How should a team respond to and remediate security alerts?

Handle security alerts with one loop: triage on impact, contain first, fix the cause, record decisions and tune the rule. A practical guide based on NIST.

What is a remote access trojan and how do you detect one?

A remote access trojan gives an attacker interactive control of a machine, often through a legitimate remote tool. See how to spot one and what to check.

What types of ransomware attacks exist and how do you defend?

Ransomware encrypts, steals data, or both. Match defenses to each pattern with offline backups, patching, MFA, segmentation and a rehearsed response plan.

What do ransomware terms like double extortion and lateral movement mean?

A plain glossary of ransomware jargon, from encryption and data theft to lateral movement and backup deletion, with the practical defense behind each term.

What should you do in the first hours of a ransomware attack?

In a ransomware attack, isolate affected systems, protect evidence, hunt for earlier intrusion and restore from clean backups. A response order from CISA.

How do you remove ransomware and recover safely?

Deleting ransomware does not undo encryption or evict the attacker. Isolate systems, keep evidence, find the entry point, rebuild clean, restore backups.

How do ransomware attackers get in? Common methods and controls

CISA groups ransomware entry points into exposed flaws, phishing, stolen credentials, prior malware, third parties and social engineering. Block each one.

What are the ransomware basics teams keep skipping?

Offline backups you have restored, MFA on remote access, fast patching of exploited flaws and a tested response plan stop most of the damage. Start there.

How do ransomware attacks unfold, and what do you do first?

Ransomware is usually the last step of a longer intrusion. Learn the stages, the first hour of response from CISA's guide, and the preparation that helps.