Research among IT decisions makers at blue-chip firms across European industries was carried out for IT infrastructure company Siemon.
Respondents came predominantly from IT management, but the sample also included consultants, networking teams and project managers.
Steven Foster, EMEA managing director at Siemon, said, "In today's world of mission-critical applications and reliance on data, it was little wonder security came out as the number one priority.
"With such a high score across all sectors, it's a clear message that for major corporations security is front of mind, followed by legislative compliance and system standardisation."
Concern for environmental issues was also a focus for attention. The environment was recorded as either a high or very high priority for over half of the respondents (52%).
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