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Articles by Daniel Gardham
M&S cyber-attack: How to protect yourself from sim-swap fraud
Our mobile phone numbers have become a de facto form of identification, but they can be hijacked for nefarious purposes. Just such an attack may have been involved in the recent very damaging cyber-attack on Marks & Spencer (M&S). The hack happened in April and forced M&S to stop taking online orders. It also caused disruption to some of its stores. The company has said that its online business could be disrupted into July and could result in an estimated £300m hit to profits.
M&S cyber-attack: how to protect yourself from sim-swap fraud Original
Our mobile phone numbers have become a de facto form of identification, but they can be hijacked for nefarious purposes. Just such an attack may have been involved in the recent very damaging cyber-attack on Marks & Spencer (M&S). The hack happened in April and forced M&S to stop taking online orders. It also caused disruption to some of its stores. The company has said that its online business could be disrupted into July and could result in an estimated £300m hit to profits.
Generalised Asynchronous Remote Key Generation for Pairing-based Cryptosystems
Paper 2023/456 Generalised Asynchronous Remote Key Generation for Pairing-based Cryptosystems , University of Surrey , University of Surrey , Universität der Bundeswehr München , Universität der Bundeswehr München Abstract Asynchronous Remote Key Generation (ARKG, introduced in ACM CCS 2020) allows for a party to create public keys for which corresponding private keys may be later computed by another intended party only.
Asynchronous Remote Key Generation for Post-Quantum Cryptosystems from Lattices
Paper 2023/419 Asynchronous Remote Key Generation for Post-Quantum Cryptosystems from Lattices , University of Surrey , University of Surrey , Bundeswehr University Munich Abstract Asynchronous Remote Key Generation (ARKG), introduced by Frymann et al. at CCS 2020, allows for the generation of unlinkable public keys by third parties, for which corresponding private keys may be later learned only by the key pair's legitimate owner.
Crypto Dark Matter on the Torus: Oblivious PRFs from shallow PRFs and FHE
Paper 2023/232 Crypto Dark Matter on the Torus: Oblivious PRFs from shallow PRFs and FHE , King's College London, SandboxAQ , NOVA LINCS & DI, FCT, Universidade NOVA de Lisboa , Crypto Quantique , University of Surrey Abstract Partially Oblivious Pseudorandom Functions (POPRFs) are 2-party protocols that allow a client to learn pseudorandom function (PRF) evaluations on inputs of its choice from a server. The client submits two inputs, one public and one private.
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