Top Cyber Attacks in 2021

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Top Cyber Attacks in 2021
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Cyberattacks are the primary concern of today's
organization as of 2021, the major attacks are
Ransomware attacks. Ransomware attacks are
growing in severity, and being regular headlines
in cybersecurity achieved national attention on
cybercrime. Hackers are exploiting security
weaknesses and accessing data of organizations,
governments, and healthcare sectors, demanding
tens of million dollars of ransom. Let's take a
look at Top cyberattacks in 2021.
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Top Cyber Attacks in 2021 1. CNA In March
2021, CNA, the largest insurance company in
America, was attacked by a hacker group
encrypting 15,000 devices, including remote
employee systems. They gained access to the
system and grabbed over 75,000 people's records,
including names, SSN, and health records of every
individual. This attack is associated with a
Chicago-based company, Evil Corp, used as malware
called Phoenix Crypto Locker. After two months,
CNA has paid a ransom amount of 40 million to
recover the access to encrypted systems. 2.
Brenntag In early May of 2021, Brenntag, a
chemical distribution company, was attacked by
the Dark Side Ransomware gang. The hackers gang
encrypted data of over 150 gigabytes from their
compromised network, and they demanded a ransom
amount of over 7.5 million through bitcoin.
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3. Colonial Pipeline In May 2021, Colonial
Pipeline, a significant fuel provider, was
attacked by a Russian hackers group called
DarkSide. This attack severely impacted petrol,
diesel, and jet fuel supplies over the East Coast
of America. They gained over 100 gigabytes of
sensitive information and demanded over 4.4
million through bitcoin. 4. JSB Foods In June
2021, JSB Foods, a Brazil-based meat processing
company, was attacked by a hacker group. JSB
Foods are forced to stop food operations, leading
to a shortage of meat and increasing meat cost.
This disruption made the company pay the ransom
amount of 11 million, the highest ransomware
payment in recent history. 5. Kaseya In July
2021, a Florida-based company, Kaseya, was
attacked by REvil, a Russian-based organization.
They encrypted over one million systems by
sending Kaseya's Virtual System Administrator a
fake software update. As a result, this attack
affected over 1000 businesses. And the group
demanded over 70 million through bitcoin.
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• How to prevent the next major attacks?
• Recently, ransomware attacks have targeted many
  highly reputed companies and organizations. So,
  the drawbacks of these attacks can reveal the
  prevention methods to protect the data from
  attacks.
• A strong incident response plan would help to
  deal with ransomware events.
• Implementing security solutions would help
  prevent sensitive data from being compromised in
  cyberattacks. It also helps prevent hackers from
  accessing and encrypting data from an
  organization's systems.
• Limiting user access and control over data can
  mitigate the risks of attacks.
• Implementing strong security measures to protect
  sensitive data, such as encryption or
  tokenization, are a good choice.

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courses related to all areas of cybersecurity and
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About InfosecTrain

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  certifications consulting services in the IT
  and Cyber Security domain
• High-quality technical services, certifications
  or customized training programs curated with
  professionals of over 15 years of combined
  experience in the domain

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