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Cybersecurity is a vast field with its own lexicon. Below are essential terms every professional should understand:
- Malware: Malicious software designed to harm systems (e.g., viruses, ransomware).
- Social Engineering: Psychological manipulation to trick users (phishing, vishing, smishing).
- Infostealer Malware: A subtype that steals sensitive data (credentials, financial info).
- Shoulder Surfing: Spying on someone’s screen/keyboard to steal information.
- EDR (Endpoint Detection and Response): Tools that monitor endpoints for threats.
You Should Know: Practical Cybersecurity Commands & Codes
Linux Commands for Threat Detection
Scan for open ports (replace IP) nmap -sV 192.168.1.1 Monitor network traffic sudo tcpdump -i eth0 -w capture.pcap Check running processes ps aux | grep "suspicious_process" Analyze logs for brute-force attacks grep "Failed password" /var/log/auth.log
Windows Commands for Incident Response
List all active network connections netstat -ano Check scheduled tasks (malware persistence) schtasks /query /fo LIST /v Scan for malware using Defender Start-MpScan -ScanType FullScan Extract PowerShell execution history Get-History | Export-Csv PS_History.csv
Python Script to Detect Suspicious Files
import os
import hashlib
def scan_directory(path):
for root, _, files in os.walk(path):
for file in files:
file_path = os.path.join(root, file)
with open(file_path, "rb") as f:
file_hash = hashlib.md5(f.read()).hexdigest()
print(f"File: {file_path} | Hash: {file_hash}")
scan_directory("/home/user/downloads")
What Undercode Say
Cybersecurity terminology evolves as threats grow more sophisticated. Understanding these terms is the first step toward defense. Practical command-line skills and scripting enhance real-world threat detection. Stay updated with tools like Wireshark, YARA, and Volatility for forensic analysis.
Prediction
As AI-driven attacks rise, terms like “AI-Powered Malware” and “Deepfake Phishing” will dominate cybersecurity discussions. Organizations must adapt with behavioral analytics and zero-trust frameworks.
Expected Output:
- A structured breakdown of cybersecurity terms.
- Actionable Linux/Windows commands for threat detection.
- A Python script for file integrity checks.
- Future trends in cyber threats.
Relevant URL: LetsDefend Cybersecurity Training
IT/Security Reporter URL:
Reported By: Letsdefend Cybersecurity – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
