Ransomware
MEGAVARSHINI A
A METICULOUS CYBERSECURITY INNOVATOR| COMPUTER SCIENCE ENGINEERING STUDENT | ARTIST | ETHICAL HACKER | ACTIVE VOLUNTEER IN YRC |
Ransomware is a type of malware that locks and encrypts a victim's data, files, devices or systems, rendering them inaccessible and unusable until the attacker receives a ransom payment.
How does ransomware work?
The ransomware lifecycle has six general stages:
Stage 1: Malware distribution and infection
Stage 2: Command and control
Stage 3: Discovery and lateral movement
Stage 4: Malicious theft and file encryption
Stage 5: Extortion
Stage 6: Resolution
Recent ransomware trends
So-called big game hunting, in which ransomware operators target large organizations with deep pockets, has exploded in recent years. High-profile ransomware victims and high-impact ransomware attacks have included Colonial Pipeline, JBS USA, the government of Costa Rica, Ireland's national health service, Travelex, CNA Financial and many more.
How to prevent ransomware attacks
Ransomware prevention is a huge challenge for organizations of all types and sizes, with no magic-bullet remedy. Experts say enterprises need a multi-pronged ransomware prevention strategy that includes the following:
1.Defense-in-depth security 2.Advanced security controls
3.Patch management 4.Data backups.
5.Security awareness training