Help Center/ Elastic Cloud Server/ User Guide (Kuala Lumpur Region)/ FAQs/ ECS Security Check/ Are ECSs with Simple Passwords Easily Attacked?
Updated on 2025-03-03 GMT+08:00
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Are ECSs with Simple Passwords Easily Attacked?

It is recommended that your password contain 8 to 26 characters that consists of digits, uppercase and lowercase letters, and special characters.

If your ECS has been intruded, contact customer service for technical support.

Table 1 Password complexity requirements

Parameter

Requirement

Password
  • Consists of 8 to 26 characters.
  • Contains at least three of the following character types:
    • Uppercase letters
    • Lowercase letters
    • Digits
    • Special characters for Windows ECSs: $!@%-_=+[]:./,?
    • Special characters for Linux ECSs: !@%-_=+[]:./^,{}?
  • Cannot contain the username or the username spelled backwards.
  • Cannot contain more than two consecutive characters in the same sequence as they appear in the username. (This requirement applies only to Windows ECSs.)
Parent topic: ECS Security Check