A Novel PUF Using Stochastic Short-Term Memory Time of Oxide-Based RRAM for Embedded Applications


Abstract: "RRAM suffers from poor retention with short-term memory time when using low compliance current for programing. However, the short-term memory time exhibits ideal randomness, which can be exploited as an entropy source for physically unclonable function (PUF). In this work, we demonstrated a novel PUF utilizing the stochastic short-term memory time of oxide-based RRAM. The proposed P... » read more

COVID-19 And Cybersecurity: Pay Attention To Exponential Growth!


COVID-19 and cybersecurity – you may wonder what these two seemingly very different topics have in common. I would list two: Both of them are exponential in nature, which, as a society we have difficulties grappling with – making this one of the reasons for our uneven responses. Both of them require a multi-layered solution strategy that, while it does not need to be perfect, must b... » read more

Security Provisioning Moves Out Of The Factory


Security credentials traditionally have been provisioned during chip manufacturing, often as a final part of the testing process. That's starting to change. Logistics management can be improved by pushing that process out — even as far as the on-boarding process. And simpler on-boarding can hide most of the details from the user. “The IT approach to provisioning IoT devices has primar... » read more

A Machine-Learning-Resistant 3D PUF with 8-layer Stacking Vertical RRAM and 0.014% Bit Error Rate Using In-Cell Stabilization Scheme for IoT Security Applications


Abstract: "In this work, we propose and demonstrate a multi-layer 3-dimensional (3D) vertical RRAM (VRRAM) PUF with in-cell stabilization scheme to improve both cost efficiency and reliability. An 8-layer VRRAM array was manufactured with excellent uniformity and good endurance of >10 7 . Apart from the variation in RRAM resistance, enhanced randomness is obtained thanks to the parasitic IR... » read more

Security In FPGAs And SoCs


Chip security is becoming a bigger problem across different markets, with different emerging standards and more sophisticated attacks. Jason Moore, senior director of engineering at Xilinx, talks with Semiconductor Engineering about current and future threats and what can be done about them. » read more

Certification And Collaboration Key To Closing IoT Security-Perception Gap


When it comes to security today, there’s perception and then there’s cold, hard reality. Here’s the reality: Cybersecurity Ventures expects global cybercrime costs to grow by 15% per year over the next five years, reaching $10.5 trillion annually by 2025, which is triple the 2015 figure. To get a sense for how pervasive the problem is, Symantec set up a “honeypot” system that dete... » read more

DRAM’s Persistent Threat To Chip Security


A well-known DRAM vulnerability called "rowhammer," which allows an assailant to disrupt or take control of a system, continues to haunt the chip industry. Solutions have been tried, and new ones are being proposed, but the potential for a major attack persists. First discovered some five years ago, most of the efforts to eliminate the "rowhammer" threat have done little more than mitigate t... » read more

Longer Chip Lifecycles Increase Security Threat


The longer chips and electronic systems remain in use, the more they will need to be refreshed with software and firmware updates. That creates a whole new level of security risks, ranging from over-the-air intercepts to compromised supply chains. These problems have been escalating as more devices are connected to the Internet and to each other, but it's particularly worrisome when it invol... » read more

SolarWinds Attack Is A Cautionary Tale For Hardware And Its Supply Chain


The recent SolarWinds hacking incident that left many Fortune-500 companies and US government networks exposed is an interesting cautionary tale for unchecked software and hardware supply chain security vulnerabilities. The highly sophisticated software supply chain attack occurred in the SolarWinds Orion IT monitoring system. This system, used by over 33,000 companies, monitors performance acr... » read more

IoT Cybersecurity Improvement Act of 2020


The "IoT Cybersecurity Improvement Act of 2020" became a U.S. law on 12/4/2020.   The legislation was passed by unanimous consent by the Senate and the House of Representatives. Congress.Gov states: "This bill requires the National Institute of Standards and Technology (NIST) and the Office of Management and Budget (OMB) to take specified steps to increase cybersecurity for Internet of ... » read more

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