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Malvertising Is a Cybercrime Heavyweight, Not an Underdog

SecureWorld News

Cybercriminals can then exploit the compromised device for various purposes, such as stealing personal information, conducting financial fraud, recruiting it into a botnet, or encrypting data and holding it for ransom. This interference is a major catalyst for double extortion that involves both a breach and data encryption.

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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. TLS and HTTPS inherently create secured and encrypted sessions for communication.

DNS 112
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Calling Home, Get Your Callbacks Through RBI

Security Boulevard

RBI solutions typically allow the configuration of file upload and download profiles, restricting the types of files that can be submitted or retrieved from websites based on multiple factors such as file extension, size, entropy/encryption of data, signatures, site reputation, and more. This can be due to encryption or even size.

DNS 62
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Satacom delivers browser extension that steals cryptocurrency

SecureList

It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. The encrypted data is stored inside the malicious payload. To do so, it performs a DNS request to don-dns[.]com com don-dns[.]com

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StripedFly: Perennially flying under the radar

SecureList

It comes equipped with a built-in TOR network tunnel for communication with command servers, along with update and delivery functionality through trusted services such as GitLab, GitHub, and Bitbucket, all using custom encrypted archives. The malware executable file is placed in /tmp directory with a random name.

Malware 107
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Bizarro banking Trojan expands its attacks to Europe

SecureList

Bizarro has x64 modules and is able to trick users into entering two-factor authentication codes in fake pop-ups. Bizarro gathers the following information about the system on which it is running: Computer name; Operating system version; Default browser name; Installed antivirus software name. Bizarro uses the ‘ Mozilla/4.0

Banking 140
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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.