The primary role of the Security Battalions was to participate in
counterinsurgency operations against ELAS. Their aggregate force was at most 22,000 men, divided into 9 "
evzonic" and 22 "voluntary" battalions under Schimana's overall command. Although the Battalions were intended to be stationed over all of German-occupied Greece, they were primarily concentrated in
Eastern Central Greece and the
Peloponnese. By late 1943, ELAS had gained control over a third of continental Greece. The Security Battalions remained faithful to the Germans even when the German occupation of Greece was crumbling; their final mission was to fight against ELAS and keep them away from the main routes out of Greece to secure the safe exit of German occupational forces. for members of the Security Battalions executed by ELAS The Security Battalions, whose members were poorly disciplined, soon became notorious in Greece for committing atrocities such as looting, rape and murder. Their conduct was so infamous that even officials of the collaborationist Greek government complained to German occupational authorities that the Battalions were disrupting their efforts to administer areas peacefully and increasing support for the Greek resistance. However, German policy was to encourage the Security Battalions' brutality in an effort to cow Greek resistance to the occupation. As noted by the historian
Mark Mazower, the majority of those killed by the Battalions were not resistance members, but instead killed at random as part of indiscriminate counterinsurgency operations. With Greece's mountainous terrain favouring the resistance and German forces fully committed elsewhere by 1944, the Security Battalions adopted a policy of "total terror", which included both
summary executions and
targeted killings; one Security Battalion
death squad in
Volos killed 50 local EAM members over the course of March 1944. In the same month, 100 people were shot at random by the Battalions in retaliation for the assassination of
Major-general Franz Krech by ELAS. When members of the Security Battalions were killed by ELAS, the Battalions typically responded by summarily executing anybody in the vicinity. While the resistance usually did not executed captured collaborationist policemen or gendarmes unless they had been involved in the deaths of fellow Greeks, members of the Security Battalions, if captured, were always summarily executed under the grounds that they were all
war criminals. In November 1943, following an invitation of the mayor of Athens on behalf of the Germans,
Special Operations Executive officer
Major Donald Stott arrived in the city and made contact with the local branch of the
Geheime Feldpolizei. Stott subsequently met with senior German officials and requested they arrange for the Security Battalions to switch sides and serve the
Greek government-in-exile following the Allied recapture of Greece to prevent EAM from coming to power. Stott was not arrested by the Germans and allowed to return to
Cairo. However, Stott's meeting had already been exposed and he was disavowed as a rogue agent and reprimanded while his superior, Brigadier Keble, was fired. Stott's visit inflamed EAM's suspicions towards the government-in-exile as many EAM members believed that once
King George II returned to Greece he would pardon the Security Battalions and enlist them to fight on his behalf. The belief that they were being supported by the Allies and that George II would eventually pardon them further encouraged royalist officers to join the Security Battalions. One of the Battalions' royalist officers, Major-general
Vasilios Dertilis, sent an emissary to Cairo in May 1944 which informed the Greek government-in-exile that the Security Battalions were a "patriotic organisation" loyal to George II and committed to the "national struggle" against communism. The Battalions' atrocities were partially motivated by their belief that as both George II and the Western Allies secretly supported them, they would not be punished after the war. An
OSS agent reported after interviewing captured Security Battalion members that 35-40% of them believed that the British and American governments secretly supported them. Many of the Greek government-in-exile's leaders secretly approved of the Battalions as a counterweight to EAM, and in June 1944 the government-in-exile successfully requested the
BBC's Greek language service to stop referring them as traitors. In the summer of 1944, the Security Battalions assisted German forces in Athens with
blokos (round-ups) ordered by Blume. These involved sealing off one of city's neighbourhoods where EAM was most active while its entire male population was rounded up. Informers wearing hoods would point out suspected EAM members who were summarily executed. Those who were suspected of being EAM sympathisers would be imprisoned as hostages to be executed in response to ELAS attacks against German forces. On the eve of the liberation of Greece, several battles took place between the Battalions and ELAS, including the
Battle of Meligalas in September 1944. ==Disbandment and aftermath==