Cloud Security
* VPCs by default use the Amazon-provided DNS which can be used to bypass some network-level protection mechanisms (e.g. NACLs or SGs) or monitoring (e.g. VPC Flow Logs). * Recently a new service has been released: the Route 53 Resolver DNS Firewall which allows for blocking and monitoring DNS queries
Cloud Security
Late in 2019, I was hired at a streaming service focused on short form content to help build the data platform. One key component of this streaming service was the focus on mobile consumption, and this necessitated that our data platform handle late arriving data gracefully. I used the example
Cloud Security
Summary The REvil ransomware (a.k.a Sodinokibi) is a threat group that operates in the RaaS (Ransomware-as-a-Service) model, where the infrastructure and the malware are supplied to affiliates, who use the malware to infect target organizations. On July 2, the REvil threat group launched a supply chain ransomware attack
Cloud Security
The process of writing code and delivering it to AWS Lambda is as straightforward as making a cake (depending on the type of cake). From providing to scalability, Lambda takes care of the heavy lifting. However, where is the magic taking place and how does it work in practice? Together,
Technology
Programming language memory models answer the question of what behaviors parallel programs can rely on to share memory between their threads. For example, consider this program in a C-like language, where both x and done start out zeroed. // Thread 1 // Thread 2 x = 1; while(done == 0) { /* loop */ } done = 1;
The below documentation is the latest update on the most recent updates pertaining to the massive global ransomware attack. We are tracking over 30 MSPs across the US, AUS, EU, and LATAM where Kaseya VSA was used to encrypt well over 1,000 businesses and are working in collaboration with
The Realtek rtl8821ae Chip The wifi chip is located on a m.2 module that can be swapped out in my laptop. It has features like 2.4GHz and 5GHz wifi support and stuff. Communication with the wifi chip happens over PCIe. Finding the firmware is easy: it is loaded
A ransomware attack that disrupted computer networks forced businesses to scramble on Saturday to restore control, a situation made worse in the United States by companies working with skeleton staff in advance of the July 4th holiday weekend. Cash registers at the majority of the grocery chain Coop’s 800
When programming, the map data structure is quite handy. When I first used Perl, the thing that struck me the most was how simple it was to use hashes, as they are called. They came in handy for everything! Map is also a major element of Go; it is one
Cloud Security
According to a cybersecurity specialist who responded to the attack, the hack that brought down the country’s major fuel pipeline and caused shortages across the East Coast was the consequence of a single hacked password. On April 29, hackers acquired access to Colonial Pipeline Co.’s networks using a
Technology
Google is currently reworking its search algorithm to include Core Web Vitals as part of its search algorithm, which is putting a lot of pressure on web developers to improve page speeds. It’s causing a fair amount of panic, because 96% of sites fail the test. So, we tested
The new WebExtensions Community Group will seek to establish a similar framework for all future web extensions, and is actively seeking developers to join the project. Safari, with the release of macOS Big Sur, has a new web extension API that enables extensions created for other browsers to work with