Packets DownRange
An ultrasonic beacon is a short audio signal. It lives above normal hearing, often above 18 kHz. Speakers in TVs, kiosks, or stores can play it. To you, it sounds like silence. To a phone microphone, it sounds like data. The beacon often carries a simple ID. That ID links to an action, such as logging a visit or triggering an ad.
FBI The U.S. Federal Bureau of Investigations (FBI) has websites about cybersecurity and ransomware specifically. The FBI ransomware site is located here: https://www.fbi.gov/how-we-can-help-you/safety-resources/scams-and-safety/common-scams-and-crimes/ransomware(opens in a new tab) NIST The National Institute of Science and Technologies is a U.S. Government agency that maintains a web portal on cybersecurity standards, guidelines, best practices, and other resources. NIST’s cybersecurity … Read more
As the demand for secure and reliable wireless networks grows, so does the need for advanced encryption standards. Enter Wi-Fi Protected Access 3 (WPA3)—the latest and most secure Wi-Fi encryption protocol. Introduced in 2018, WPA3 is designed to address vulnerabilities in previous standards, including WPA2, and to provide enhanced protection for modern wireless networks. In … Read more
This blog post walks you through the steps to configure SSH key-based authentication on MikroTik routers with practical examples.
Physical security in a data center is critical as it serves as the first line of defense against unauthorized access, vandalism, theft, and environmental threats. Here’s a deeper dive into the various layers and strategies involved in ensuring comprehensive physical security for a data center. 1. Strategic Location Selection A. Risk Assessment for LocationChoosing the … Read more
In the ever-evolving landscape of cybersecurity, authentication is one of the most fundamental aspects of protecting digital identities. While traditional password-based authentication has been the norm for decades, it’s increasingly proving insufficient against sophisticated cyber threats. This is where Two-Factor Authentication (2FA) steps in as a powerful tool to bolster security. Let’s delve into the … Read more
Border Gateway Protocol (BGP) is the Internet’s dominant inter-domain routing protocol, and as such, it is a critical component of the Internet’s infrastructure. However, BGP, like any other technology, has flaws. The following are some of the most common BGP issues: Some of the above issues are being addressed with RPKI, Routing Registries, and MANRS, … Read more
Most service providers have been the victim of a Denial of Service (DoS) attack at one point or another. Sometimes you may not realize you are under an attack. A few months ago, I posted a simple screenshot at https://blog.j2sw.com/networking/anatomy-of-a-ddos/ of what an active DDoS looks like. Types of AttacksIn order to know what to look for … Read more
https://www.forbes.com/sites/barrycollins/2020/07/25/will-garmin-pay-10m-ransom-to-end-two-day-outage/#2e6983423164 Garmin is reportedly being asked to pay a $10 million ransom to free its systems from a cyberattack that has taken down many of its services for two days. The navigation company was hit by a ransomware attack on Thursday, leaving customers unable to log fitness sessions in Garmin apps and pilots unable to download … Read more
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One of the reasons to use password managers such as LastPass with 2Factor authentication
Our friend Rick Frey has updated his Mikrotik Firewall script for securing RouterOS