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CNN
https://www.cnn.com/2021/07/06/tech/kaseya-ransomware-what-we-know
What we know about the Kaseya ransomware attack that hit …
Businesses and governments around the world are scrambling to understand yet another major ransomware attack that hit over the weekend, which could potentially cost tens of millions of dollars and affe… See more
Who was affected?
On Friday afternoon, Kaseya was alerted to a potential attack involving a remote management … See more
CNN
Who was behind it?
REvil is the criminal hacking gang whose malware was behind the Kaseya attack, cyber researchers have said.
The group, which is believed to operate out of Eastern … See more
CNN
About the timing…
It’s not surprising that the attack hit just ahead of a major holiday weekend. Experts say holidays and long weekends are the best times for hackers to execute ransomwar… See more
CNN
How has the White House responded?
The White House has urged companies who believe their systems were compromised by the attack to immediately report it to the Internet Crime Complaint Center. … See more
CNN
What should we learn?
The attack on Kaseya points to a popular target for ransomware attackers: Managed Service Providers. MSPs such as Kaseya’s customers allow companies to outsource certain soft… See more
CNN
What are the most damaging cybersecurity incidents this year?
Microsoft Exchange Server: One of the most damaging cybersecurity incidents this year was the widespread compromise of Microsoft Exchange servers caused by a set of zero-day vulnerabilities known collectively as ProxyLogon.
zdnet.com
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Table of Contents
Who was affected?
Who was behind it?
About the timing…
How has the White House responded?
What should we learn?
What are the most damaging cybersecurity incidents this year?

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A throwback on some of the most high profile cyberattacks of 2021, how they were remediated, and what could have been done to prevent them.
Microsoft Exchange Attack, January – March ...
Accellion Supply Chain Attack, January ...
Florida Water Supply, February ...
Australia Channel 9 News Ransomware Attack, March ...
CNA Financial Ransomware Attack, March ...
Quanta Ransomware Attack, April ...
Brenntag Ransomware Attack, April ...
Colonial Pipeline Ransomware Attack, May ...

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The Top 10 Biggest Cyber Attacks Of 2021 | Expert Insights
expertinsights.com/insights/10-high-profile-attacks-2021/
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Which was the biggest cyber attack in 2021?
The biggest cyber attack in 2021, according to news coverage, was the breach of Colonial Pipeline. As Touro College Illinois Cybersecurity Program Director Joe Giordano notes, "The Colonial Pipeline attack made such an impact because the pipeline is an important part of the national critical infrastructure system.
The 10 Biggest Ransomware Attacks of 2021 - Touro
illinois.touro.edu
Which cyber attacks used ransomware in 2021?
In 2021, several cyber attacks used ransomware as their attack vector, including those against the Colonial Pipeline, Steamship Authority of Massachusetts, JBS (the world’s largest meatpacker), and the Washington DC Metropolitan Police Department.
The 10 Biggest Ransomware Attacks of 2021 - Touro
illinois.touro.edu
What are the most damaging cybersecurity incidents this year?
Microsoft Exchange Server: One of the most damaging cybersecurity incidents this year was the widespread compromise of Microsoft Exchange servers caused by a set of zero-day vulnerabilities known collectively as ProxyLogon.
The biggest data breaches, hacks of 2021 - ZDNET
zdnet.com
How has cyber security changed in 2020?
According to the article, 2020 saw an increase in the frequency of cyber attacks and higher ransom payments, with companies paying hackers 300% more than in previous years. The sudden increase in remote work and more lax security protections at home gave hacker groups the perfect opportunity to breach sensitive data.
The 10 Biggest Ransomware Attacks of 2021 - Touro
illinois.touro.edu
What's happening with cryptocurrency in 2021?
In 2021, thousands of new cybersecurity incidents have been recorded -- and while cryptocurrency theft and data loss are now commonplace, this year stands out due to several high-profile incidents involving ransomware, supply chain attacks, and the exploitation of critical vulnerabilities.
The biggest data breaches, hacks of 2021 - ZDNET
zdnet.com
Is Russia a target of cyber attacks in 2022?
December 2022. Russia’s foreign minister claimed to be the target of coordinated cyber aggression by external intelligence agencies, IT companies, and hacktivists. According to Russian officials, such attacks have “doubled or tripled” over the past year. December 2022.
Significant Cyber Incidents | Strategic Technologies Program - CSIS
csis.org
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ZDNET
https://www.zdnet.com/article/the-biggest-data-breaches-of-2021
The biggest data breaches, hacks of 2021 - ZDNET
- January: Livecoin: Following an alleged hack in December, cryptocurrency exchange …
  February: SITA: An IT supplier for aviation services around the world, SITA, said a security …
  March: Mimecast: Due to the Solarwinds supply chain attack disclosed in December 2020, …
  April: Facebook: A data dump of information belonging to over 550 million Facebook users …
  May: Colonial Pipeline: If there was ever an example of how a cyberattack can impact the …
  See full list on zdnet.com
CSO Online
https://www.csoonline.com/article/570653
The Microsoft Exchange Server hack: A timeline | CSO Online
May 6, 2021 · January 3, 2021: Cyber espionage operations against Microsoft Exchange Server begin using the Server-Side Request Forgery (SSRF) vulnerability CVE-2021-26855, …
CSO Online
https://www.csoonline.com/article/534628
The 18 biggest data breaches of the 21st century | CSO Online
- Yahoo. Date: August 2013. Impact: 3 billion accounts. Securing the number one spot – …
  Aadhaar [tie with Alibaba] Date: January 2018. Impact: 1.1 billion Indian citizens’ …
  Alibaba [tie with Aadhaar] Date: November 2019. Impact: 1.1 billion pieces of user data. …
  LinkedIn. Date: June 2021. Impact: 700 million users. Professional networking giant …
  Sina Weibo. Date: March 2020. Impact: 538 million accounts. With over 600 million users, …
  See full list on csoonline.com
CNN
https://www.cnn.com/2021/06/26/tech/cyberattacks...
4 companies affected by security breaches in June - CNN
Jun 26, 2021 · There’s been a sharp rise in cyberattacks in recent weeks, often disrupting services and products that are essential to everyday lives. In May, the ransomware attack that forced a …
CISA
https://www.cisa.gov/news-events/news/attack...
The Attack on Colonial Pipeline: What We’ve Learned & What We …
On May 7, 2021, a ransomware attack on Colonial Pipeline captured headlines around the world with pictures of snaking lines of cars at gas stations across the eastern seaboard and …
CNN
https://www.cnn.com/2021/03/10/tech/microsoft...
Here’s what we know so far about the Microsoft Exchange hack
Mar 10, 2021 · Many security experts remain alarmed about the large, Chinese-linked hack of Microsoft’s Exchange email service a week after the attack was first reported.
MIT Technology Review
https://www.technologyreview.com/2021/09/23/1036140
2021 has broken the record for zero-day hacking attacks
Sep 23, 2021 · Patrick Howell O'Neill. September 23, 2021. Ms Tech | Getty. A zero-day exploit—a way to launch a cyberattack via a previously unknown vulnerability—is just about …
Security Magazine
https://www.securitymagazine.com/articles/96667
The top data breaches of 2021 - Security Magazine
Dec 9, 2021 · If the trend was to continue, the ITRC says, it could lead to a significant impact on individuals and organizations. This year, Security magazine brings you a list of 2021’s top 10 …
Touro College Illinois
https://illinois.touro.edu/news/the-10-biggest...
The 10 Biggest Ransomware Attacks of 2021 - Touro
Nov 12, 2021 · Cyber attacks in 2021 that have used ransomware as their attack vector include attacks perpetrated against the Colonial Pipeline, Steamship Authority of Massachusetts, JBS …
NPR
https://www.npr.org/2021/04/16/985439655
How Russia Used SolarWinds To Hack Microsoft, Intel, …
Apr 16, 2021 · Russian hackers exploited gaps in U.S. defenses and spent months in government and corporate networks in one of the most effective cyber-espionage campaigns of all time. …
WIRED
https://www.wired.com/story/worst-hacks-2021
The Worst Hacks of 2021 - WIRED
Dec 24, 2021 · Here's WIRED's retrospective on the year's worst breaches, leaks, data exposures, ransomware attacks, state-sponsored hacking campaigns, and digital mayhem. …
Microsoft
https://www.microsoft.com/en-us/security/blog/2021/...
How cyberattacks are changing according to new Microsoft Digital ...
Oct 11, 2021 · In 2021, cybercrime has become more sophisticated, widespread, and relentless. Criminals have targeted critical infrastructure—healthcare, 1 information technology, 2 financial …
Gizmodo
https://gizmodo.com/the-biggest-hacks-of-2021-so-far-1847157024
The Biggest Hacks of 2021 (So Far) - Gizmodo
Oct 7, 2021 · From Colonia Pipeline to SolarWinds to Twitch, cyberattacks are inflicting historic pain worldwide. Here are the biggest cyberattacks this year.
CNET
https://www.cnet.com/news/privacy/hacks-ransomware...
Hacks, ransomware and data privacy dominated cybersecurity in …
Dec 6, 2021 · Cyberattacks grabbed headlines throughout 2021 as massive disruptions affected government agencies, major companies and even supply chains for essential goods like …
TechTarget
https://www.techtarget.com/whatis/feature/Solar...
SolarWinds hack explained: Everything you need to know
Nov 3, 2023 · The SolarWinds hack exposed government and enterprise networks to hackers through a routine maintenance update to the company's Orion IT management software.
CSIS
https://www.csis.org/.../significant-cyber-incidents
Significant Cyber Incidents | Strategic Technologies Program - CSIS
CISA, the FBI, and NSA announced state-sponsored hacking groups had long-term access to a defense company since January 2021 and compromised sensitive company data. September …
NPR
https://www.npr.org/2021/12/13/1063593949
The state of U.S. cybersecurity a year after the SolarWinds hack
Dec 13, 2021 · One year ago, Russian hackers burrowed their way deep inside a network monitoring tool made by a company called SolarWinds. How much has changed in U.S. …
CSO Online
https://www.csoonline.com/article/571367
Top cybersecurity statistics, trends, and facts - CSO Online
Oct 7, 2021 · 2021 has been a banner year for cybercriminals, they have taken advantage of the COVID-19 pandemic and the increase in remote work, attacking both technical and social …
Forbes
https://www.forbes.com/sites/chuckbrooks/2021/03/...
Alarming Cybersecurity Stats: What You Need To Know For 2021 …
Mar 3, 2021 · As we head deeper into 2021, it is worth exploring these statistics and their potential cybersecurity implications in our changing digital landscape.
The World Economic Forum
https://www.weforum.org/stories/2021/11/4-key...
4 key cyber security threats to the new central bank digital …
Nov 20, 2021 · 3. System integrity and “double spending”. Depending on the consensus protocol used, non-central bank nodes with privileged power could declare transactions as invalid, …
GovTech
https://www.govtech.com/security/houston-housing...
Houston Housing Authority Victimized by Ransomware
2 days ago · Cybersecurity; Education; Election Technology ... meeting this Wednesday to discuss the $331,000 purchase of network security hardware and software. ... related incidents …
Digital Trends
https://www.digitaltrends.com/computing/hackers...
Hackers are now targeting Windows driver flaw for malware
2 days ago · When you install the fake crack, a vulnerable driver called WinRingO.sys is added that restores CVE-2021-41285 and CVE-2020-14979, four- and three-year-old vulnerabilities …
The Wall Street Journal
https://www.wsj.com/articles/tsa-wants-to-expand...
TSA Wants to Expand Cyber Rules for Pipelines and Railroads
5 hours ago · The Transportation Security Administration’s latest push would apply to more companies than temporary directives issued after the 2021 hack on Colonial Pipeline
EC-Council
https://www.eccouncil.org/train-certify/certified-ethical
CEH Certification | Certified Ethical Hacker v13 | CEH Course
With CEH v13, Certified Ethical Hackers also use AI tools and techniques to enhance their ability to identify, exploit, and secure vulnerabilities in systems and networks. By integrating AI into …
Verizon
https://www.verizon.com/business/resources/reports/dbir
2024 Data Breach Investigations Report - Verizon
Up to10%cash back
· 2024 Data Breach Investigations Report | Verizon. Home. resources. reports. dbir. 888-789-1223 Contact sales. Learn about the latest trends in real-world security …
SecurityWeek
https://www.securityweek.com/cyberattack-blamed...
Cyberattack Blamed for Statewide Washington Courts Outage
2 days ago · Ionut Arghire. November 6, 2024. The Washington courts network was affected by a cyberattack that led to a statewide outage, the Washington State Administrative Office of the …
TechCrunch
https://techcrunch.com/2024/11/05/techcrunch...
The TechCrunch Cyber Glossary
3 days ago · In the cybersecurity sense, a hacker is typically someone who breaks a system or breaks the security of a system. That could be anything from an internet-connected computer …
EC-Council University
https://www.eccu.edu/online-cyber-security-degrees/...
Online Bachelor’s Degree in Cyber Security | EC-Council University
Ans. Candidates who wish to start a career in cybersecurity can pursue a Bachelor’s degree in Cybersecurity. EC-Council University offers degree courses for cybersecurity. It provides a 2 …
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What we know about the Kaseya ransomware attack that hit …

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The Top 10 Biggest Cyber Attacks Of 2021 | Expert Insights

The 10 Biggest Ransomware Attacks of 2021 - Touro

The 10 Biggest Ransomware Attacks of 2021 - Touro

The biggest data breaches, hacks of 2021 - ZDNET

The 10 Biggest Ransomware Attacks of 2021 - Touro

The biggest data breaches, hacks of 2021 - ZDNET

Significant Cyber Incidents | Strategic Technologies Program - CSIS

The biggest data breaches, hacks of 2021 - ZDNET

The Microsoft Exchange Server hack: A timeline | CSO Online

The 18 biggest data breaches of the 21st century | CSO Online

4 companies affected by security breaches in June - CNN

The Attack on Colonial Pipeline: What We’ve Learned & What We …

Here’s what we know so far about the Microsoft Exchange hack

2021 has broken the record for zero-day hacking attacks

The top data breaches of 2021 - Security Magazine

The 10 Biggest Ransomware Attacks of 2021 - Touro

How Russia Used SolarWinds To Hack Microsoft, Intel, …

The Worst Hacks of 2021 - WIRED

How cyberattacks are changing according to new Microsoft Digital ...

The Biggest Hacks of 2021 (So Far) - Gizmodo

Hacks, ransomware and data privacy dominated cybersecurity in …

SolarWinds hack explained: Everything you need to know

Significant Cyber Incidents | Strategic Technologies Program - CSIS

The state of U.S. cybersecurity a year after the SolarWinds hack

Top cybersecurity statistics, trends, and facts - CSO Online

Alarming Cybersecurity Stats: What You Need To Know For 2021 …

4 key cyber security threats to the new central bank digital …

Houston Housing Authority Victimized by Ransomware

Hackers are now targeting Windows driver flaw for malware

TSA Wants to Expand Cyber Rules for Pipelines and Railroads

CEH Certification | Certified Ethical Hacker v13 | CEH Course

2024 Data Breach Investigations Report - Verizon

Cyberattack Blamed for Statewide Washington Courts Outage

The TechCrunch Cyber Glossary

Online Bachelor’s Degree in Cyber Security | EC-Council University

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