Explicit reduced APN permutations: ramification and optimal Galois-ring lifts
Paper constructs explicit reduced APN permutations and describes their optimal Galois-ring lifts.
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Optimal Reduced Representatives of Quadratic APN Permutations in Odd Dimension
Every quadratic APN permutation in odd dimension at least 5 has an optimal reduced representative.
Russian-Linked Hackers Accessed Polish Power Plant OT Network Through Private APN, Says CERT.PL
CERT.PL disclosed that Russian-linked hackers accessed a Polish combined heat and power plant's OT network through a private APN in 2025.