Ransomware Attack
December 31, 2025
5 min read
Shubham Pagare
RANSOMWARE: the hacking attack…
attacksecuritycyber
RANSOMWARE: The Hacking Attack
Definition: Ransomware is a type of malware that locks and encrypts a victim's data, files, devices, or systems, rendering them inaccessible until a ransom payment is received.
Early ransomware used simple encryption, but today's malicious actors use cyber extortion to blackmail victims. According to Veeam's 2023 report, over 93% of attacks specifically target backup data to prevent recovery.
The Ransomware Lifecycle
Stage 1
Distribution & Infection: Infiltration via Phishing, RDP (Remote Desktop Protocol) abuse, or software vulnerabilities like EternalBlue.
Stage 2
Command & Control: Attackers set up a C&C server to send encryption keys and manage the malware.
Stage 3
Discovery & Lateral Movement: Gathering info and spreading the infection to other devices on the network.
Stage 4
Malicious Theft & Encryption: Data is exfiltrated first (for blackmail) and then encrypted.
Stage 5 & 6
Extortion & Resolution: Ransom is demanded, and the victim must decide whether to restore, pay, or rebuild.
Types of Ransomware
Locker: Locks you out of the system entirely.
Crypto: Encrypts specific valuable files.
Scareware: Fake alerts to trick you into buying malicious software.
Wiper: Destroys data permanently, even if you pay.
Triple Extortion: Encryption + Data Leak + DDoS Attack.
Common Industry Targets
While no one is immune, the top sectors include:
1. Education
2. Government
3. Healthcare
4. Financial Services
A Brief History
1989: The "AIDS Trojan" sent via snail mail on floppy disks by Joseph L. Popp.
2009: Birth of Cryptocurrency makes anonymous payments possible.
2017: WannaCry strikes globally, exploiting unpatched Windows systems.
Prevention Strategies
- Defense-in-Depth: Use layered controls (MFA, Firewalls, Web filtering).
- Patch Management: Keep software updated to avoid exploits like EternalBlue.
- Immutable Backups: Ensure backups are disconnected from the main network.
- Security Training: Teach employees to spot phishing before they click.
Incident Response: What to do?
- Contain: Disconnect infected systems immediately.
- Investigate: Determine the strain and scope of spread.
- Eradicate: Wipe infected endpoints and restore from clean backups.
- Analyze: Learn from the gaps and update your security plan.