Remove DNS Remove Download Remove Encryption Remove Phishing
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3 ways DNS filtering can save SMBs from cyberattacks

Malwarebytes

That’s where DNS filtering comes in. But first, DNS in a nutshell. So normally, every time your customer types in your web address, their computer makes a request to a DNS server. The DNS server, in turn, tells the computer where to go. But which web-based cyberthreats in particular does DNS filtering stop, you ask?

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A Deep Dive on the Recent Widespread DNS Hijacking Attacks

Krebs on Security

” The DNS part of that moniker refers to the global “ D omain N ame S ystem ,” which serves as a kind of phone book for the Internet by translating human-friendly Web site names (example.com) into numeric Internet address that are easier for computers to manage. PASSIVE DNS.

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9 Possible Ways Hackers Can Use Public Wi-Fi to Steal Your Sensitive Data

Security Affairs

Public Wi-Fi users are prime targets for MITM attacks because the information they send is often not encrypted, meaning it’s easy for hackers to access your data. Look for the “https” in the website’s URL—it means there’s some level of encryption.

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What is DKIM Email Security Technology? DKIM Explained

eSecurity Planet

At a high level, DKIM enables an organization to provide encryption hash values for key parts of an email. Using public-private encryption key pairs, receiving email servers can compare the received email hash value against the received hash value to validate if any alterations took place in transit.

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GO#WEBBFUSCATOR campaign hides malware in NASA’s James Webb Space Telescope image

Security Affairs

The phishing emails contain a Microsoft Office attachment that includes an external reference in its metadata which downloads a malicious template file. Upon opening the document, a malicious template file is downloaded and saved on the system. We have observed similar behavior with DNS exfiltration tools such as DNSCAT2.”

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Coldriver threat group targets high-ranking officials to obtain credentials

Malwarebytes

These targets are approached in spear phishing attacks. The group uses social engineering techniques to persuade their targets to open documents or download malware. Once a relationship has been established, the target will receive a phishing link or a document containing such a link.

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Most Organizations Do DMARC Wrong. Here’s How to Do It Right.

eSecurity Planet

Without the more restrictive enforcement policy, organizations place an unnecessary burden on email security applications and increase the likelihood of a phishing attack successfully impersonating a brand. Domains receiving emails can compare the envelope of the email and compare against DNS records. What is DMARC? What is SPF?

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