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Victim of cyber-attack replies with own backdoor


Softpedia - (International) Security researchers at Kaspersky Lab reported that it observed two cyberespionage advanced persistent threat (APT) groups called Hellsing and Naikon engage in deliberate APT-on-APT attacks through spear-phishing emails containing custom malware, signaling a potential new trend. Hellsing was previously linked to other APT groups and the group has targeted diplomatic organizations in the U.S.


Note: This news synopsis is taken from the DHS Daily Open Source Infrastructure Report, a daily [Monday through Friday, except US Federal holidays] summary of open-source published information concerning significant critical infrastructure issues; a 10-day archive of the DOSIR can be found at:

Last Updated: 27 May 2016 10:24:07