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These 5 critical Windows Defender settings are off by default - turn them on ASAP

ID: 27600c6f-2ca7-567d-b7a4-fe6565b7e138

STIX ID: report--27600c6f-2ca7-567d-b7a4-fe6565b7e138

Feed Name: ZDNet Security

Date Published: 2026-05-05

Date Updated: 2026-05-05

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This ZDNet guide outlines five Windows Defender settings users should consider enabling—Controlled Folder Access (ransomware protection), Memory Integrity (core isolation), Reputation-based protection (PUA blocking), Smart App Control, and Tamper protection—explaining what each does, why some are disabled by default, and recommending enabling them one at a time to avoid compatibility issues.

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