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Cisco Umbrella Blog

Cybersecurity Threats

Cybersecurity Threat Spotlight: Emotet, RedLine Stealer, and Magnat Backdoor

Author avatar of Artsiom HolubArtsiom Holub
Updated — February 27, 2023 • 5 minute read
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Looking for information on the latest cyber threats? Our newest edition of the Cybersecurity Threat Spotlight blog has you covered!

Using DNS-layer security to detect and prevent ransomware attacks

Author avatar of Artsiom HolubArtsiom Holub
Updated — October 5, 2021 • 6 minute read
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Looking to improve your cybersecurity posture due to recent ransomware surges? Click here to learn how DNS security can help detect or prevent infections.

The cost of ransomware attacks: Why and how you should protect your data

Author avatar of Rachel AckerlyRachel Ackerly
August 10, 2021 • 4 minute read
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Curious how much of an impact ransomware attacks made in 2020? Learn about the financial costs of these attacks, and how to protect your data, here.

Keeping your crypto safe as cryptocurrency phishing attacks soar

Author avatar of Artsiom HolubArtsiom Holub
April 27, 2021 • 4 minute read
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The soaring value of Bitcoin and other crypto currencies brings new forms of phishing, homograph and trojanized binary attacks

Most common cybersecurity threats of 2021 broken down by industry

Author avatar of Andrea GrossAndrea Gross
April 13, 2021 • 2 minute read
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A look at recent cyber attack activity trends by industry sector, and how Cisco Umbrella helps to identify and block these attacks.

Cryptomining, phishing & trojan threat trends and how to block

Author avatar of Andrea GrossAndrea Gross
March 16, 2021 • 3 minute read
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When it comes to cybersecurity, deciding where to dedicate resources is vital. This blog series looks at the threat activity we see.

CISA Reports: Increased ransomware attacks targeting K-12 school districts

Author avatar of Austin McBrideAustin McBride
March 2, 2021 • 2 minute read
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Ransomware attacks are on the rise against K-12 educational institutions, according to joint FBI advisory from the CISA and MS-ISAC.

Which cyber attacks most commonly target small businesses?

Author avatar of Ken HowardKen Howard
February 23, 2021 • 2 minute read
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Cyber attacks don’t discriminate based on organizational size. Learn which threats show up as bigger issues for smaller organizations.

Cyber attackers use SEO to spread malware through torrent files

Author avatar of Sreenidhi RamadurgamSreenidhi Ramadurgam
February 16, 2021 • 3 minute read
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Torrent files can make an appealing hideaway for malware. Since phishing isn’t suited for delivery, attackers have turned to search engine optimization (SEO).

How trojan malware is evolving to survive and evade cybersecurity in 2021

Author avatar of Artsiom HolubAuthor avatar of Ken HowardArtsiom Holub and Ken Howard
January 26, 2021 • 5 minute read
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Learn more about trojans, the cyberthreat that is surviving and thriving by becoming part of the cyber furniture.

Top Blogs

  • Umbrella Extends Protection to Unmanaged iOS and Android Devices September 13, 2022 2 minute read
  • New Security for a World Where Everyone and Everything Are Connecting August 30, 2022 3 minute read
  • Should You Use DNS Data to Drive Better Security Decisions? August 25, 2022 2 minute read

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