#hardware-security — Public Fediverse posts

Hardware Security: Threats, Prevention, and AI-Driven Countermeasures by Khaled Mohamed, 2026

This book provides an effective guide to hardware security, presenting both conventional countermeasures and advanced AI-driven strategies for preventing, detecting, and mitigating security vulnerabilities.

#books
#nonfiction
#cybersecurity
#HardwareSecurity
#Springer

Hardware Security: Threats, Prevention, and AI-Driven Countermeasures by Khaled Mohamed, 2026

This book provides an effective guide to hardware security, presenting both conventional countermeasures and advanced AI-driven strategies for preventing, detecting, and mitigating security vulnerabilities.

#books
#nonfiction
#cybersecurity
#HardwareSecurity
#Springer

The Silent Breach and the Persistence of Unauthorized Access

938 words, 5 minutes read time.

Once the session token is successfully exfiltrated, the nature of the intrusion shifts from external deception to internal subversion. The attacker does not need to crack passwords or trigger further security alerts, as they are now effectively operating with the digital identity of a trusted employee. Analyzing these incidents, I see that the primary goal is often the establishment of persistence within the target environment, which is achieved through the modification of inbox rules or the creation of clandestine mailbox delegates. By silently forwarding incoming emails to an external address or creating hidden folders for sensitive correspondence, the adversary can monitor ongoing business deals, intercept financial instructions, and identify high-value targets for subsequent business email compromise attacks. This stage of the operation is characterized by extreme patience, as the threat actor avoids loud, disruptive actions in favor of a low-and-slow approach that can remain undetected for months. The tragedy is that the victim often remains entirely unaware of the breach, believing they are still securely authenticated while their environment is being methodically picked apart from the inside.

Challenging the Failure of Traditional Defensive Postures

When considering why these attacks continue to succeed with such alarming frequency, it becomes evident that the industry’s reliance on legacy defensive postures is a failing strategy. Many organizations still treat email security as a static barrier, implementing blacklists and rudimentary heuristic scans that are easily circumvented by adversaries who control their own infrastructure and rotating IP addresses. Furthermore, the human-centric nature of these scams renders technical controls inherently insufficient unless they are paired with a cultural shift toward skeptical verification. It is not enough to deploy an automated solution if the culture within a firm encourages speed over accuracy and ignores the red flags of irregular communication patterns. Consequently, the defense against these campaigns must evolve into a proactive, threat-hunting discipline that monitors for anomalous login locations, unexpected session durations, and unauthorized changes to account configurations. Without this layer of vigilant oversight, the technical barriers essentially act as a screen door, providing the illusion of protection while failing to stop the actual threat.

Implementing Rigorous Verification Protocols in a High-Stakes Environment

The path forward requires a departure from the convenience-first mindset that dominates modern digital work environments. Organizations must adopt hardware-backed authentication methods, such as FIDO2-compliant security keys, which are resistant to the proxy-based interception tactics that currently plague mobile-based push notifications and SMS codes. Additionally, the adoption of strict device posture checks ensures that an attacker cannot simply use a stolen session token from an unauthorized machine or an unrecognized geographic region. Beyond the hardware, there must be a fundamental hardening of organizational processes, such as implementing mandatory out-of-band verification for any request involving financial transfers or the sharing of sensitive credentials. It is a harsh reality that trust is the primary vulnerability in any system, and the most secure posture is one that treats every incoming request as potentially malicious until proven otherwise through independent channels. While this might introduce friction into the workflow, that friction is the necessary price of security in an age where the cost of a single successful breach is often the survival of the entity itself.

Call to Action

The time for passive observation has passed, as the threats currently infiltrating our inboxes are not waiting for an invitation to compromise your organization. You must decide whether to continue relying on outdated defensive protocols that offer only the illusion of safety or to begin the hard work of hardening your infrastructure against the reality of modern adversarial tactics. I urge you to conduct an immediate audit of your current authentication stack and evaluate the necessity of migrating to hardware-backed security keys, as this is the single most effective step you can take to neutralize the threat of proxy-based session hijacking. Furthermore, initiate a comprehensive review of your internal communication policies to ensure that your team is empowered to question anomalies rather than blindly following the path of least resistance. Security is not a product you purchase, but a discipline you practice, and the responsibility to bridge the gap between your existing defenses and the current threat reality rests entirely with you. Do not wait for a compromised session to force your hand, because by the time the impact of a breach is visible, the damage is already absolute.

D. Bryan King

Sources

• CISA: Business Email Compromise (BEC) Resources
• FBI: Business Email Compromise Information
• FIDO Alliance: Defining Phishing-Resistant Authentication
• Microsoft: Analyzing Adversary-in-the-Middle (AiTM) Techniques
• NIST: Digital Identity Guidelines
• CrowdStrike: Phishing and Social Engineering Analysis
• Palo Alto Networks: Business Email Compromise Explained
• SANS Institute: Protecting Against Advanced Email Threats
• Cybereason: BEC Threat Landscape Report
• Check Point: The Evolution of Phishing
• Proofpoint: Understanding BEC Attacks
• Dark Reading: The Mechanics of Session Hijacking
• ZDNet: The New Era of Targeted Phishing
• Wired: Why Modern Phishing is Succeeding
• Trend Micro: BEC Comprehensive Guide
• Recorded Future: BEC Trend Analysis
• Infosecurity Magazine: FIDO2 and Phishing Resistance
• Varonis: Modern Phishing Techniques Deep Dive
• CSO Online: The Mechanics of BEC
• Fortinet: Cybersecurity Glossary on BEC
• SANS: Analyzing MFA Bypass Tactics
• BleepingComputer: Evolution of Phishing Kits
• Secureworks: BEC Defensive Strategies
• CISA: Mitigating Phishing Campaigns
• Mandiant: Evolving Tactics in BEC
• NIST: Phishing Training Resources
• TechTarget: BEC Definition and Prevention
• Elastic: Detecting Phishing Infrastructure
• Rapid7: The Threat of Session Token Theft
• Cloudflare: Understanding FIDO2 Protocol

Disclaimer:

The views and opinions expressed in this post are solely those of the author. The information provided is based on personal research, experience, and understanding of the subject matter at the time of writing. Readers should consult relevant experts or authorities for specific guidance related to their unique situations.

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📰 UK's NCSC Launches 'SilentGlass' Hardware to Block HDMI-Based Cyber Espionage

🇬🇧 NCSC unveils 'SilentGlass', a new hardware device to stop cyber espionage via HDMI & DisplayPort cables. The plug-and-play tool acts as a data diode for video, blocking hidden data channels. 🛡️ #HardwareSecurity #NCSC #InfoSec

🔗 https://cyber.netsecops.io/articles/ncsc-unveils-silentglass-to-secure-hdmi-displayport-connections/?utm_source=mastodon&utm_medium=social&utm_campaign=twitter_auto

Interesting work on AMD SEV-SNP by Benedict Schlüter, Christoph Wech and @Shweta: https://fabricked-attack.github.io/

By reconfiguring data fabric routing from the untrusted, hypervisor-controlled UEFI firmware, they redirect Platform Security Processor (PSP) memory accesses, compromising SEV-SNP initialization, particularly the Reverse Map Table (RMP).

#Fabricked #sevsnp #security #hardwaresecurity #confidentalcomputing

Interesting work on AMD SEV-SNP by Benedict Schlüter, Christoph Wech and @Shweta: https://fabricked-attack.github.io/

By reconfiguring data fabric routing from the untrusted, hypervisor-controlled UEFI firmware, they redirect Platform Security Processor (PSP) memory accesses, compromising SEV-SNP initialization, particularly the Reverse Map Table (RMP).

#Fabricked #sevsnp #security #hardwaresecurity #confidentalcomputing

Open-Source Silicon Initiative Aims to Bolster Hardware Trust

Imagine having a tiny chip inside your device that you can trust completely - one that's transparent, secure, and designed to put your mind at ease. The Baochip-1x, a groundbreaking open-source silicon project by Andrew Bunnie Huang, aims to provide just that, giving developers an affordable and security-focused solution…

https://osintsights.com/open-source-silicon-initiative-aims-to-bolster-hardware-trust?utm_source=mastodon&utm_medium=social

#OpensourceSilicon #HardwareSecurity #EmbeddedDevices #TrustedHardware #SupplyChain

Investigating Split Locks on x86-64

https://chipsandcheese.com/p/investigating-split-locks-on-x86

#HackerNews #SplitLocks #x86_64 #CPUArchitecture #HardwareSecurity #TechInvestigation

Investigating Split Locks on x86-64

https://chipsandcheese.com/p/investigating-split-locks-on-x86

#HackerNews #SplitLocks #x86_64 #CPUArchitecture #HardwareSecurity #TechInvestigation

Critics call FCC router rule a ‘big swing’ that could create more supply chain uncertainty | CyberScoop
https://cyberscoop.com/fcc-bans-foreign-routers-critics-warn-about-supply-chain/

#Cybersecurity #InfoSec #FCC #SupplyChain #HardwareSecurity #NetSec #TechNews #NationalSecurity #MastodonAdmin

Critics call FCC router rule a ‘big swing’ that could create more supply chain uncertainty | CyberScoop
https://cyberscoop.com/fcc-bans-foreign-routers-critics-warn-about-supply-chain/

#Cybersecurity #InfoSec #FCC #SupplyChain #HardwareSecurity #NetSec #TechNews #NationalSecurity #MastodonAdmin

Caetra new release v1.2.0; added new shield that reacts when a webcam turns it on/off.

With this shield we are trying to avoid privacy leaks from you and others, among possible security visual breaches like harvesting information about your surroundings. Do not forget to cover your webcam with a nice cat sticker :3

https://github.com/carvilsi/caetra

#physicalSecurity #physicalAttacks #linuxhardening #hardwareSecurity #bpf #ebpF #bcc

caetra new release v1.1.0; added new shield to react when the CD-DVD-ROM tray opens or closes.

https://github.com/carvilsi/caetra?tab=readme-ov-file#12-cd_dvd_rom

#physicalSecurity #physicalAttacks #linuxhardening #hardwareSecurity #bpf #ebpF #bcc

Was für ein unbeschreibliches Gefühl! 📦📚

Nach über acht Monaten intensiver Arbeit, unzähligen Tassen Schwarztee und Club-Mate-Flaschen war es heute so weit: Der Postbote stand vor der Tür und überreichte mir die allerersten Autorenexemplare meines ersten eigenen englischsprachigen Buches!

„Hacking Hardware: The Practical Guide to Penetration Testing and Prevention” ist nun offiziell bei Rheinwerk Publishing in den USA erschienen. Es physisch in den Händen zu halten, durch die frisch gedruckten Seiten zu blättern und das eigene Cover zu sehen, ist ein absoluter Meilenstein für mich.

#HackingHardware #Pentesting #Cybersecurity #InfoSec #HardwareSecurity #RheinwerkPublishing #AuthorLife

Was für ein unbeschreibliches Gefühl! 📦📚

Nach über acht Monaten intensiver Arbeit, unzähligen Tassen Schwarztee und Club-Mate-Flaschen war es heute so weit: Der Postbote stand vor der Tür und überreichte mir die allerersten Autorenexemplare meines ersten eigenen englischsprachigen Buches!

„Hacking Hardware: The Practical Guide to Penetration Testing and Prevention” ist nun offiziell bei Rheinwerk Publishing in den USA erschienen. Es physisch in den Händen zu halten, durch die frisch gedruckten Seiten zu blättern und das eigene Cover zu sehen, ist ein absoluter Meilenstein für mich.

#HackingHardware #Pentesting #Cybersecurity #InfoSec #HardwareSecurity #RheinwerkPublishing #AuthorLife

Google OpenTitan open source security chip is now shipping inside Chromebooks

https://fed.brid.gy/r/https://nerds.xyz/2026/03/google-opentitan/

OMB has issued new guidance adopting a risk-based approach to federal software and hardware security, rescinding prior mandates under M-22-18 and M-23-16.

Agencies must retain complete inventories but may now choose whether to require secure development attestations and SBOMs. The scope also expands to explicitly include hardware supply chain risk.

How does this affect assurance and third-party risk management?

Source: https://www.whitehouse.gov/wp-content/uploads/2026/01/M-26-05-Adopting-a-Risk-based-Approach-to-Software-and-Hardware-Security.pdf

Follow TechNadu for factual policy reporting.

#InfoSec #CyberPolicy #SupplyChainRisk #SBOM #HardwareSecurity #TechNadu

Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Watch here: https://youtu.be/KCURt43Rqhg

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Watch here: https://youtu.be/KCURt43Rqhg

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Watch here: https://youtu.be/KCURt43Rqhg

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Watch here: https://youtu.be/KCURt43Rqhg

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

Understanding that it's probably nowhere close to as good as the #GoogleTensor chip or #SamsungKnox, has anyone done an analysis of the #HardwareSecurity of the @jolla phone line?

#security #MobileSecurity #JollaPhone #SailfishOS

Understanding that it's probably nowhere close to as good as the #GoogleTensor chip or #SamsungKnox, has anyone done an analysis of the #HardwareSecurity of the @jolla phone line?

#security #MobileSecurity #JollaPhone #SailfishOS

Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

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Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

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#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

NEW! A Leanpub Podcast Interview with Sal Kimmich, Author of Code, Chips and Control: The Security Posture of Digital Isolation

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#books #leanpublishing #selfpublishing #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

NEW! A Leanpub Podcast Interview with Sal Kimmich, Author of Code, Chips and Control: The Security Posture of Digital Isolation

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Leanpub Book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Through the lens of the top 100 hacks since 1985, learn cybersecurity through real-world examples of what went wrong to convince us of “best practices".

Watch on our blog here:

https://leanpub.com/blog/leanpub-book-launch-code-chips-and-control-the-security-posture-of-digital-isolation-by-sal-kimmich

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust

Leanpub Book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Through the lens of the top 100 hacks since 1985, learn cybersecurity through real-world examples of what went wrong to convince us of “best practices".

Watch on our blog here:

https://leanpub.com/blog/leanpub-book-launch-code-chips-and-control-the-security-posture-of-digital-isolation-by-sal-kimmich

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust

Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Watch here: https://youtu.be/KCURt43Rqhg

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

Leanpub book LAUNCH 🚀 Code, Chips and Control: The Security Posture of Digital Isolation by Sal Kimmich

Watch here: https://youtu.be/KCURt43Rqhg

#books #leanpublishing #selfpublishing #booklaunch #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

In this episode of the Leanpub Podcast, Sal Kimmich offers a deep technical look at the evolving security landscape across hardware, software, and open-source ecosystems.

Watch & read on our blog here:

https://leanpub.com/blog/the-leanpub-podcast-feat-sal-kimmich-author-of-code-chips-and-control-the-security-posture-of-digital-isolation

#books #leanpublishing #selfpublishing #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

In this episode of the Leanpub Podcast, Sal Kimmich offers a deep technical look at the evolving security landscape across hardware, software, and open-source ecosystems.

Watch & read on our blog here:

https://leanpub.com/blog/the-leanpub-podcast-feat-sal-kimmich-author-of-code-chips-and-control-the-security-posture-of-digital-isolation

#books #leanpublishing #selfpublishing #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

NEW! A Leanpub Podcast Interview with Sal Kimmich, Author of Code, Chips and Control: The Security Posture of Digital Isolation

Watch here: https://youtu.be/kfeJVv7boNs

#books #leanpublishing #selfpublishing #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

NEW! A Leanpub Podcast Interview with Sal Kimmich, Author of Code, Chips and Control: The Security Posture of Digital Isolation

Watch here: https://youtu.be/kfeJVv7boNs

#books #leanpublishing #selfpublishing #cybersecurity #infosec #securityarchitecture #supplychainsecurity #opensource #devsecops #hardwaresecurity #softwaresecurity #zerotrust #leanpubpodcast

Your network may be locked down — but what about the circuitry inside the devices you trust?

Join Sherri Davidoff and Matt Durrin next Wednesday, November 19th for a Cyberside Chats: Live! that explores how subtle hardware design choices and opaque sourcing can introduce risk long before a device ever reaches your environment. You’ll also learn the steps your team can take to spot the red flags.

Register here: https://www.lmgsecurity.com/event/cyberside-chats-live-november-2025/

#Cybersecurity #SupplyChainSecurity #ThirdPartyRiskManagement #HardwareSecurity #FirmwareRisk #EnterpriseSecurity #CyberRisk #Podcast

Every modern system carries a tiny vault called a TPM—Trusted Platform Module.
It protects encryption keys and validates your system at boot.
TPM is now required for Windows 11, making firmware vigilance more critical than ever.
Even trusted hardware needs updates.
Trust, but patch.
#CyberSecurity #HardwareSecurity #Privacy #B2B

Every modern system carries a tiny vault called a TPM—Trusted Platform Module.
It protects encryption keys and validates your system at boot.
TPM is now required for Windows 11, making firmware vigilance more critical than ever.
Even trusted hardware needs updates.
Trust, but patch.
#CyberSecurity #HardwareSecurity #Privacy #B2B

Firmware is low-level code that powers everything from routers to laptops.
It’s invisible, vital—and often ignored.
Unpatched firmware can expose known vulnerabilities for years.
✅ Check vendor updates
✅ Enable secure boot
✅ Replace hardware with signed firmware support
Security starts below the OS.
#CyberSecurity #HardwareSecurity #B2B

Firmware is low-level code that powers everything from routers to laptops.
It’s invisible, vital—and often ignored.
Unpatched firmware can expose known vulnerabilities for years.
✅ Check vendor updates
✅ Enable secure boot
✅ Replace hardware with signed firmware support
Security starts below the OS.
#CyberSecurity #HardwareSecurity #B2B

🚨 Threat Alert: WireTap Attack on Intel SGX Servers

Physical attacks can now compromise SGX enclaves using a low-cost DIY setup (<$1,000). Attackers can extract cryptographic keys, forge enclaves, and threaten blockchain/Web3 networks and confidential computation.

Mitigation considerations:
🛡 Restrict physical server access
🔑 Review SGX-dependent systems in blockchain & Web3
💡 Monitor for suspicious DRAM bus activity

#WireTap #IntelSGX #HardwareSecurity #CyberSecurity #SideChannelAttack #BlockchainSecurity #Web3 #ServerSecurity #Infosec

🖥️ Data doesn’t vanish when you hit delete.

Proper hardware disposal is a compliance act—GDPR & ISO 27001 both demand secure data destruction.

That means:
• Cryptographic wipes
• Degaussing or shredding
• Verified certificates of destruction

Compliance isn’t digital-only.

#Privacy #HardwareSecurity #DataProtection #GDPR #B2B

🖥️ Data doesn’t vanish when you hit delete.

Proper hardware disposal is a compliance act—GDPR & ISO 27001 both demand secure data destruction.

That means:
• Cryptographic wipes
• Degaussing or shredding
• Verified certificates of destruction

Compliance isn’t digital-only.

#Privacy #HardwareSecurity #DataProtection #GDPR #B2B

🚨 Threat Alert: WireTap Attack on Intel SGX Servers

Physical attacks can now compromise SGX enclaves using a low-cost DIY setup (<$1,000). Attackers can extract cryptographic keys, forge enclaves, and threaten blockchain/Web3 networks and confidential computation.

Mitigation considerations:
🛡 Restrict physical server access
🔑 Review SGX-dependent systems in blockchain & Web3
💡 Monitor for suspicious DRAM bus activity

#WireTap #IntelSGX #HardwareSecurity #CyberSecurity #SideChannelAttack #BlockchainSecurity #Web3 #ServerSecurity

New Hardware Based 'ONEFLIP' Attack Can Hijack AI Models by Flipping a Single Memory Bit

#AI #AISecurity #Cybersecurity #Rowhammer #ONEFLIP #HardwareSecurity

https://winbuzzer.com/2025/08/25/new-hardware-based-oneflip-attack-can-hijack-ai-models-by-flipping-a-single-memory-bit-xcxwbn

New Hardware Based 'ONEFLIP' Attack Can Hijack AI Models by Flipping a Single Memory Bit

#AI #AISecurity #Cybersecurity #Rowhammer #ONEFLIP #HardwareSecurity

https://winbuzzer.com/2025/08/25/new-hardware-based-oneflip-attack-can-hijack-ai-models-by-flipping-a-single-memory-bit-xcxwbn

Nvidia Denies GPU Backdoors as China Probe Threatens Renewed H20 Chip Sales

#AI #Nvidia #NvidiaH20 #ChipWar #Geopolitics #HardwareSecurity #China

https://winbuzzer.com/2025/08/06/nvidia-denies-gpu-backdoors-as-china-probe-threatens-renewed-h20-chip-sales-xcxwbn

Critical ‘Revault’ Flaws Leaves over 100 Dell Laptop Models Vulnerable if Unpatched

#CyberSecurity #Dell #Vulnerability #Cisco #Firmware #ReVault #HardwareSecurity

https://winbuzzer.com/2025/08/05/critical-revault-flaws-leaves-over-100-dell-laptop-models-vulnerable-if-unpatched-xcxwbn