On the Impossibility of Simulation Security for Quantum Functional Encryption

Functional encryption is a powerful cryptographic primitive that enables fine-grained access to encrypted data and underlies numerous applications. Although the ideal security notion for FE simulation security has been shown to be impossible in the classical setting, those impossibility results...

CBP Wants AI-Powered ‘Quantum Sensors’ for Finding Fentanyl in Cars

US Customs and Border Protection is paying General Dynamics to create prototype “quantum sensors,” to be used with an AI database to detect fentanyl and other narcotics...

On Implementing Hybrid Post-Quantum End-To-End Encryption

The emergence of quantum computing poses a fundamental threat to current public key cryptographic systems. This threat is necessitating a transition to quantum resistant cryptographic alternatives in all the applications. In this work, we present the implementation of a practical hybrid end-to-en...

Quantum Encryption Resilience Score (QERS) for MQTT, HTTP, and HTTPS under Post-Quantum Cryptography in Computer, IoT, and IIoT Systems

Post-quantum cryptography PQC introduces significant computational and communication overhead, which poses challenges for resource-constrained computer systems, Internet of Things IoT, and Industrial IoT IIoT devices. This paper presents an experimental evaluation of the Quantum Encryption...

Shaping a Quantum-Resistant Future: Strategies for Post-Quantum PKI

As the quantum computing era approaches, securing classical cryptographic protocols becomes imperative. Public key cryptography is widely used for signature and key exchange but it is the type of cryptography more threatened by quantum computing. Its application typically requires support via a...

Oracle Linux 10 : net-snmp (ELSA-2026-0668)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-0668 advisory. 1:5.9.4-15.0.1.2 - fix error index value when snmpget is used a proxy pass Orabug: 35010262 1:5.9.4-15.2 - fix out of bound access RHEL-137497 1:5.9.4-15.1 -...

Oracle Linux 9 : net-snmp (ELSA-2026-0696)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-0696 advisory. 5.9.1-17.0.1.1 - fix error index value when snmpget is used a proxy pass Orabug: 35010262 1:5.9.1-17.1 - fix out of bound access issue RHEL-137510 - enable PQC...

On-Chip Semi-Device-Independent Quantum Random Number Generator Exploiting Contextuality

We present a semi-device-independent quantum random number generator QRNG based on the violation of a contextuality inequality, implemented by the integration of two silicon photonic chips. Our system combines a heralded single-photon source with a reconfigurable interferometric mesh to implement...

CVE-2021-22790

A CWE-125: Out-of-bounds Read vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU part numbers BMEP and BMEH, all versions, Modicon M340 CPU part...

CVE-2021-22789

A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU part numbers BM...

CVE-2021-22791

A CWE-787: Out-of-bounds Write vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU part numbers BMEP and BMEH, all versions, Modicon M340 CPU part...

CVE-2020-7549

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause denial of HTTP and FTP...

CVE-2020-7477

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Quantum Ethernet Network module 140NOE771x1 Versions 7.0 and prior, Quantum processors with integrated Ethernet – 140CPU65xxxxx all Versions, and Premium processors with integrated Ethernet all Versions, which...

CVE-2020-7533

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests...

CVE-2020-7542

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium see security notifications for affected versions, that could cause denial of service when a specially crafted Read Physical Memo...

CVE-2020-7564

A CWE-120: Buffer Copy without Checking Size of Input 'Classic Buffer Overflow' vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules see notification for details which could cause write access and the execution o...

CVE-2020-7539

A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause a denial of service...

Preparing for Post-Quantum Cryptography

Learn what you can do today to prepare for Q-Day...

Quantum Secure Biometric Authentication in Decentralised Systems

Biometric authentication has become integral to digital identity systems, particularly in smart cities where it en-ables secure access to services across governance, trans-portation, and public infrastructure. Centralised archi-tectures, though widely used, pose privacy and scalabil-ity challenge...

Quantum Key Distribution without Authentication and Information Leakage

Quantum key distribution QKD is the most widely studied quantum cryptographic model that exploits quantum effects to achieve information-theoretically secure key establishment. Conventional QKD contains public classical post-processing steps that require authentication to prevent impersonation an...