iThome資安一周第63期：PDF加密標準被發現有缺陷，無需密碼可取得加密文件內容，數十款PDF閱讀器都受影響
作者 羅正漢
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<div class="field field-name-field-news-column-category field-type-taxonomy-term-reference field-label-hidden"><div class="field-items"><div class="fi...