00535nas a2200181   4500000000100000008004100001260003700042100002100079700001800100700002100118700001800139700002400157700001900181700001800200245009800218250002800316490000900344       2024                            d  cSeptember 30 – October 2, 20201 aIoannis Chalkias1 aCagatay Yucel1 aDimitrios Mallis1 aJyri Rajamaki1 aFabrizio De Vecchis1 aPeter Hagstrom1 aVasilis Katos00aAn Empirical Evaluation of Cyber Threat Intelligence Sharing in the ECHO Early Warning System  aRevised Selected Papers0 v1790