Many devices emit radio frequency (RF) radiation, including mobile devices, Wi-Fi networks, remote controls, cordless phones, Bluetooth headsets, and radio and TV broadcasts. Microwave ovens and fluorescent lights are other common sources of RF radiation. What Is an RF Signal? … Read More
Radio Frequency (RF) Shielding
Electromagnetic Interference (EMI): Overview and How To Shield
Electromagnetic signals are everywhere. When lightning strikes, it releases electromagnetic energy. Solar flares also cause large amounts of electromagnetic radiation. More common sources of electromagnetic signals are manmade devices such as electric motors, generators, microwave ovens, and fluorescent lights. Electromagnetic … Read More
What Is TEMPEST and How Does It Relate to Cybersecurity?
TEMPEST stands for “Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions”. It is a U.S. National Security Agency (NSA) specification for protecting against data theft through the interception of electromagnetic radiation. Computers and other electronic devices emit radio frequency (RF) … Read More … Read More
What Is a Side-Channel Attack and What Countermeasures Exist?
In 1943, engineers at Bell Labs discovered that typing on a teletype machine would change the readings on a nearby oscilloscope. They recognized that electromagnetic emissions could enable smart attackers to extract sensitive information from a system by some means … Read More
What Is a SCIF Room? Rules, Requirements, Uses, and More
Organizations that deal with highly sensitive information must concern themselves with the possibility of eavesdropping. An attacker can potentially gain access to data by analyzing radio frequency (RF) signals and spurious electromagnetic emissions. Such attacks circumvent network security, encryption, and … Read More
What Is a Native App vs. Hybrid App vs. Web App: Exploring the Differences
Mobile apps have become big business, as well as a critical touchpoint between companies and their customers. According to data from Business of Apps, 88 billion apps were downloaded in 2021, along with 55 billion games. These downloads generated $133 … Read More
What Is a Faraday Cage and How Does It Work?
Any electronic device can be affected by electromagnetic interference (EMI). Most devices have built-in EMI shielding to minimize the effects of these disturbances. For example, smartphones and tablets have shielding to protect chips and interfaces for cellular, Wi-Fi, and other … Read More
Types of Mobile App Testing and Why Test on Real Devices
Nobody wants to release a problematic app to customers. It increases the time to remediate issues, limits the app’s profitability, and impacts the customer experience. Ensuring that the app functions properly on all platforms requires thorough testing, and there’s simply … Read More
What Is EMC? What Is EMC Testing? Standards, Compliance, Certifications, and More
Every electronic device generates electromagnetic radiation. It’s a byproduct of the electric current passing through a circuit. This energy is on the low-frequency, non-ionizing end of the electromagnetic spectrum. Unlike the ionizing radiation generated by the sun, X-ray machines, and … Read More
Real Device Testing: What Is It, What Is It Used For, and Why Is It Important?
Real device testing, also known as live device testing or mobile device testing, has become a critical function of many enterprises. As organizations roll out mobile apps to meet customer needs and demands, developers must test new versions across multiple … Read More