Case Study: Medibank Cyber Hack Incident

By asifaadi259 | Updated: April 16, 2024, 7:33 a.m.

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Case Study: Medibank Cyber Hack Incident

Group 18

December 2022
Medibank Cyber Attack Background
9.7 Million people
Information Leaked:
Names, Birthdays, Medical Claims data, Medical records

Phishing Scams
Unregulated Inputs
Infected Assets
Trojan Website
Cyber vulnerabilities and it’s origin
Financial Losses
Information Disclosure
Damage to Organization's Reputation
Effects of these vulnerabilities
Optus (Sep '22) - 28.7%
Medibank (Dec '22) - 28.4%
Latitude (Mar '23) - 41.0%
Proctoru (Jul '22) - 1.3%
Data Breach Statistics for major corporation in Australia Jul '22 - Jun '23
Data Breach Impact
Phishing Attacks
Reputation and Financial Damage
Advanced Threat Landscape
Challenges faced by Medibank
Cyber Attack Privileged Pathway
2
1
3
Premier Penetration:
Spear phishing attacksEmail phishing attacksSocial Engineering
Escalate Privileges:
EndpointServersDomain Controllers
Data Breach:
ExfiltrationRansomware encryptionSupply Chain Attack
Proposed Prevention Techniques
Cyber Threat Awareness Training
Implementing the Principle of Least Privilege mechanism
Implementation of Multi-Factor Authentication
URL Filtering and Web Content Filtering
Logon onto Facebook
4. 403 Forbidden
2. Category of Facebook
3. Social Networking
WCF profile:
Block-social net
How does Web content filter works

Enhanced Cyber Resilience
Regulatory Compliance
Rebuilding Trust
Futureproofing
Outcomes
Reference:
Medibank data breach “https://www.upguard.com/blog/what-caused-the-medibank-data-breach”

Phishing attacks as of breach ”https://www.sbs.com.au/news/article/elaines-data-was-stolen-in-the-medibank-hack-she-says-sorry-isnt-enough/4c7ktafnx”

Financial and reputational losses “https://www.cyberdaily.au/security/10219-medibank-continues-to-count-the-cost-of-2022-cyber-attack”

Phishing attack preventions “https://ovic.vic.gov.au/privacy/resources-for-organisations/phishing-attacks-and-how-to-protect-against-them/”

Statistical data breaches in australia “https://www.upguard.com/blog/biggest-data-breaches-australia”

Case Study: Medibank Cyber Hack Incident

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