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Stories from the SOC: Fighting back against credential harvesting with ProofPoint

CyberSecurity Insiders

Executive summary Credential harvesting is a technique that hackers use to gain unauthorized access to legitimate credentials using a variety of strategies, tactics, and techniques such as phishing and DNS poisoning. DMARC is a protocol used to authenticate emails and prevent phishing attacks by verifying the sender’s domain.

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How to Prevent DNS Attacks: DNS Security Best Practices

eSecurity Planet

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

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Malvertising Is a Cybercrime Heavyweight, Not an Underdog

SecureWorld News

It's also imperative to verify website authenticity before interacting with its content. A DNS firewall and a classic antivirus are somewhat underused yet effective security tools that will come in handy. Double-check the URLs of landing pages that load after you click advertisements.

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Spear Phishing Prevention: 10 Ways to Protect Your Organization

eSecurity Planet

Email Authentication and Security Methods Organizations can combat spear phishing through email authentication protocols and security strategies. Sender Policy Framework (SPF) SPF is an authentication protocol that allows domain owners to specify the IP addresses they are allowed to send on their behalf.

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How to Improve Email Security for Enterprises & Businesses

eSecurity Planet

Email Authentication Protocols: SPF, DKIM, DMARC The three mutually-reinforcing email authentication protocols, Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM), and Domain-based Message Authentication Reporting and Conformance (DMARC) verify the authenticity of emails.

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TeamTNT with new campaign aka “Chimaera”

CyberSecurity Insiders

As of August 30, 2021, many malware samples still have zero antivirus (AV) detections and others have low detection rates. Keep minimal exposure to the Internet on Linux servers and IoT devices and use a properly configured firewall. Exfil Domain in DNS Query. Lacks authenticity, trustworthiness, and competency.

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What Is an Application Level Gateway? How ALGs Work

eSecurity Planet

An application gateway, also known as an application level gateway (ALG), functions as a critical firewall proxy for network security. Understanding ALGs involves knowing how they work, their pros and cons, and how they integrate with or differ from other types of firewalls.