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- ãŒããã€æ»æ: ãã³ããŒãã»ãã¥ãªãã£ç ç©¶è ã«ç¥ãããŠããªããœãããŠã§ã¢ã®è匱æ§ãæªçšããæ»æã
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1. 匷åã§ãŠããŒã¯ãªãã¹ã¯ãŒã
ãªã³ã©ã€ã³ã¢ã«ãŠã³ãããšã«åŒ·åã§ãŠããŒã¯ãªãã¹ã¯ãŒãã䜿çšããããšã¯ãæãåºæ¬çãªãµã€ããŒã»ãã¥ãªãã£å¯Ÿçã®äžã€ã§ãã匷åãªãã¹ã¯ãŒãã¯ãå°ãªããšã12æå以äžã§ã倧æåãšå°æåãæ°åãèšå·ãçµã¿åãããå¿ èŠããããŸãã
äŸ: ãpassword123ãã®ãããªãã¹ã¯ãŒãã®ä»£ããã«ããP@sswOrd!2024ãã®ããã«ãã£ãšè€éãªãã¹ã¯ãŒãã詊ããŠã¿ãŠãã ããã
èªåã®ååãèªçæ¥ããããã®ååãªã©ãæšæž¬ãããããæ å ±ã¯é¿ããŠãã ããããã¹ã¯ãŒããããŒãžã£ãŒã䜿ãã°ããã¹ãŠã®ã¢ã«ãŠã³ãã«å¯ŸããŠè€éãªãã¹ã¯ãŒããäœæããå®å šã«ä¿ç®¡ããããšãã§ããŸãã
2. å€èŠçŽ èªèšŒ (MFA)
å€èŠçŽ èªèšŒ (MFA) ã¯ãã¢ã¯ã»ã¹ãèš±å¯ããåã«2ã€ä»¥äžã®èªèšŒèŠçŽ ã®æäŸãèŠæ±ããããšã§ãã¢ã«ãŠã³ãã«ãããªãã»ãã¥ãªãã£å±€ã远å ããŸãããããã®èŠçŽ ã«ã¯ä»¥äžãå«ãŸããŸãïŒ
- ç¥èèŠçŽ : ãã¹ã¯ãŒã
- ææèŠçŽ : ã¹ããŒããã©ã³ãã¡ãŒã«ã«éä¿¡ãããã³ãŒã
- çäœèŠçŽ : çäœèªèšŒïŒæçŽãé¡èªèšŒïŒ
MFAãæäŸããŠãããã¹ãŠã®ã¢ã«ãŠã³ããç¹ã«ã¡ãŒã«ããœãŒã·ã£ã«ã¡ãã£ã¢ãéè¡ãµãŒãã¹ã§æå¹ã«ããŠãã ããã
3. ãœãããŠã§ã¢ã®æŽæ°
ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ããœãããŠã§ã¢ã¢ããªã±ãŒã·ã§ã³ããŠã§ããã©ãŠã¶ãææ°ã®ã»ãã¥ãªãã£ãããã§åžžã«ææ°ã®ç¶æ ã«ä¿ã£ãŠãã ããããœãããŠã§ã¢ã®æŽæ°ã«ã¯ããµã€ããŒç¯çœªè ãæªçšããå¯èœæ§ã®ããæ¢ç¥ã®è匱æ§ã®ä¿®æ£ãå«ãŸããŠããããšããããããŸãã
å¯èœãªéãèªåæŽæ°ãæå¹ã«ããåžžã«ææ°ããŒãžã§ã³ã®ãœãããŠã§ã¢ãå®è¡ããŠããããšã確èªããŠãã ããã
4. ãã£ãã·ã³ã°è©æ¬ºã«æ³šæãã
ãã£ãã·ã³ã°ã¡ãŒã«ãã¡ãã»ãŒãžããŠã§ããµã€ãã¯ãããªããéšããŠæ©å¯æ å ±ãæããããããã«èšèšãããŠããŸããå人æ å ±ãå°ããæªæ¿è«Ÿã®ã¡ãŒã«ãã¡ãã»ãŒãžã«ã¯æ³šæããäžå¯©ãªãªã³ã¯ãã¯ãªãã¯ããããç¥ããªãéä¿¡è ããã®æ·»ä»ãã¡ã€ã«ãããŠã³ããŒããããããªãã§ãã ããã
äŸ: éè¡ãåä¹ãã¡ãŒã«ã§ã¢ã«ãŠã³ãæ å ±ã®ç¢ºèªãæ±ããããå ŽåãæäŸããããªã³ã¯ãã¯ãªãã¯ããªãã§ãã ããã代ããã«ãéè¡ã®ãŠã§ããµã€ãã«çŽæ¥ã¢ã¯ã»ã¹ããããé»è©±ã§é£çµ¡ããŠãã®èŠæ±ã確èªããŠãã ããã
5. ä»®æ³ãã©ã€ããŒããããã¯ãŒã¯ (VPN) ã䜿çšãã
ä»®æ³ãã©ã€ããŒããããã¯ãŒã¯ (VPN) ã¯ãã€ã³ã¿ãŒããããã©ãã£ãã¯ãæå·åããIPã¢ãã¬ã¹ãé ãããšã§ããµã€ããŒç¯çœªè ãããªãã®ãªã³ã©ã€ã³æŽ»åã远跡ããã®ãå°é£ã«ããŸããå ¬è¡Wi-Fiãããã¯ãŒã¯ã«æ¥ç¶ããéã¯VPNã䜿çšããŠãã ããããããã®ãããã¯ãŒã¯ã¯ãã°ãã°å®å šæ§ãäœããæ»æã«å¯ŸããŠè匱ã§ãã
6. ããŒã ãããã¯ãŒã¯ãä¿è·ãã
Wi-Fiã«ãŒã¿ãŒã«åŒ·åãªãã¹ã¯ãŒãã䜿çšããæå·åïŒWPA3ãæšå¥šïŒãæå¹ã«ããããšã§ãããŒã ãããã¯ãŒã¯ãä¿è·ããŠãã ãããWPS (Wi-Fi Protected Setup) ã¯ç·åœããæ»æã«è匱ãªå Žåããããããç¡å¹ã«ããããšãæ€èšããŠãã ããã
ã«ãŒã¿ãŒã®ãã¡ãŒã ãŠã§ã¢ã宿çã«æŽæ°ããã»ãã¥ãªãã£äžã®è匱æ§ã«ããããé©çšããŠãã ããã
7. ããŒã¿ãããã¯ã¢ãããã
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8. ãªã³ã©ã€ã³ã§å ±æããæ å ±ã«æ³šæãã
ãœãŒã·ã£ã«ã¡ãã£ã¢ããã®ä»ã®ãªã³ã©ã€ã³ãã©ãããã©ãŒã ã§å ±æããæ å ±ã«ã¯æ³šæããŠãã ããããµã€ããŒç¯çœªè ã¯ãã®æ å ±ã䜿ã£ãŠãããªãã®ãã¹ã¯ãŒããæšæž¬ããããã»ãã¥ãªãã£ã®è³ªåã«çããããæšçåãã£ãã·ã³ã°æ»æã仿ãããããããšããããŸãã
9. ä¿¡é Œã§ãããŠã€ã«ã¹å¯ŸçãœãããŠã§ã¢ã䜿çšãã
ã³ã³ãã¥ãŒã¿ãã¢ãã€ã«ããã€ã¹ã«ä¿¡é Œã§ãããŠã€ã«ã¹å¯ŸçãœãããŠã§ã¢ããã°ã©ã ãã€ã³ã¹ããŒã«ããç¶æããŠãã ããããŠã€ã«ã¹å¯ŸçãœãããŠã§ã¢ã¯ããã«ãŠã§ã¢ããã£ãã·ã³ã°ã®è©Šã¿ããã®ä»ã®ãªã³ã©ã€ã³äžã®è åšãæ€åºããé€å»ããããšãã§ããŸãã
10. å®å šãªãã©ãŠãžã³ã°ç¿æ £ãå®è·µãã
äžå¯©ãªãŠã§ããµã€ããžã®ã¢ã¯ã»ã¹ããä¿¡é Œã§ããªããœãŒã¹ããã®ãœãããŠã§ã¢ã®ããŠã³ããŒãã¯é¿ããŠãã ããããããã¢ããåºåã«æ³šæããå©çšèŠçŽã«åæããåã«ã¯å¿ ã现åãèªãã§ãã ããã
äŒæ¥åãã®å¿ é ãµã€ããŒã»ãã¥ãªãã£å¯Ÿç
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1. ãµã€ããŒã»ãã¥ãªãã£ããªã·ãŒã®çå®
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2. 宿çãªãªã¹ã¯è©äŸ¡ã®å®æœ
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3. ã¢ã¯ã»ã¹å¶åŸ¡ã®å®è£
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4. ãããã¯ãŒã¯ã®ã»ã°ã¡ã³ããŒã·ã§ã³
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5. ãã¡ã€ã¢ãŠã©ãŒã«ãšäŸµå ¥æ€ç¥/é²åŸ¡ã·ã¹ãã
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6. ããŒã¿ã®æå·å
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7. ãšã³ããã€ã³ãã»ãã¥ãªãã£
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8. 宿çãªã»ãã¥ãªãã£ç£æ»ãšäŸµå ¥ãã¹ã
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9. åŸæ¥å¡ã®ãã¬ãŒãã³ã°ãšæèåäž
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11. ããŒã¿æå€±é²æ¢ (DLP)
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14. ã»ãã¥ãªãã£æ å ±ããã³ã€ãã³ã管ç (SIEM)
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