Top Cyber Security Breaches 2021

Popular Cyber Security Threats in 2021

Top security attacks of  2021


  1. Microsoft Exchange Server Cyber Attack:

  • On January hackers struck the Microsoft exchange server operating all over the world
  • Infiltrated the email servers - which contained tonnes of confidential data.
  • The data mostly came from giant companies and governments storing crucial information of their customers and citizens such as email addresses, passwords, etc.
  • Over 250,000 servers have fallen victim to the data breach as of 9th March.
  1. CNA Financial Cyber Attack

  • USA’s largest cyber insurance provider fell prey to a skilfully crafted ransomware attack forcing millions to go out of business. 
  • The hackers who were behind the attack used a malware named Phoenix CryptoLocker to encrypt the database of the insurance firm
  • CNA had to pay up a whopping $40 million
  1. Colonial Pipeline cyber attack

  •  Hackers attacked Colonial Pipeline.
  • The ransomware attack took place between 6th -12th May this impacted the computerised equipment managing the pipeline.
  •  Unfortunately, this led to a heavy data breach and halting of all activities for Colonial Pipeline, which mainly functions in the South-eastern parts of the United States.
  • The attack was so severe and alarming that President Biden, as well as the Governor of Georgia, had to declare a state of emergency.
  •  Even though matters are in control now, the oil giant reportedly had to pay a ginormous $5 million to gain back access to its systems.
  1. Accenture

  • Accenture has  confirmed that it was hit by a ransomware attack, with a hacker group using the LockBit ransomware reportedly threatening to release the company’s data and sell insider information.
  • LockBit, is a strain of ransomware that prevents users from accessing infected systems until a ransom payment is made.


Red Piranha

Security risk : Top attacker country was the US with 12365 unique attacker (45.33%)

  • The top trojan server detected was Lu0bot with 26 instances
  • The top phishing campaign detected was against Facebook with 44 instances detected.

Approach to minimise security risk

  • Red Piranha security risk assessment & audit services offer a comprehensive, business-driven approach to evaluating your cybersecurity maturity level based on your business operations and risk profile. The maturity model provides you with a simple, pragmatic approach to evaluate your current security maturity and identify targeted areas for improvement.
  • Our team of in-house certified assessors and auditors combine control requirements from well-known frameworks to create a consolidated model which addresses the most critical security domains and capabilities, so you can meet today’s risk-focused demands.



  •  Reduces cyber attacks by controlling access and preventing unauthorised lateral movement on the network
  • Cisco ISE profiles endpoints and identifies users. Based on contextual data collected ISE created role based access control (RBAC)policy
  • Cisco ISE uses Cisco TrustSec technology embedded in Cisco routers and switching, to enforce policy throughout the network 
  • If an endpoint is compromised, ISE can be notified and change the access policy to contain or  quarantine the threat.


Security Vulnerabilities - Potential target to a ransomware attack

  • The device used is no longer state-of-the-art
  • The device has outdated software
  • Browsers and/or operating systems are no longer patched
  • No proper backup plan exists
  • Insufficient attention has been paid to cybersecurity, and a concrete plan is not in place

 Anti - Ransomware software  protection :

  • Kaspersky Internet security -
    •  The software is able to block infected files when you download or stream something, thus providing real-time protection.
    • This prevents ransomware from infecting your computer and keeps cybercriminals at bay
  • Anti -ransomware tool -
    • The tool helps detect and block ransomware by performing scans and protects your data both from local and remote-access ransomware attacks.


Video links :

Red Piranha -

Cisco Security Portfolio Overview -

Kaspersky Enterprise Cybersecurity -


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