KEAMANAN DAN BACKUP DATABASE


1. Pengertian Keamanan Database

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πŸ“– Deskripsi

Keamanan database adalah upaya untuk melindungi data dari akses tidak sah, kerusakan, atau kehilangan.

🧠 Narasi Penjelasan

Data adalah aset penting organisasi. Oleh karena itu:

  • Harus dijaga dari peretasan
  • Harus dilindungi dari kehilangan
  • Harus tetap tersedia saat dibutuhkan

πŸ‘‰ Keamanan database adalah bagian penting dari sistem informasi.


2. Tujuan Keamanan Database

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πŸ“– Deskripsi

Tujuan utama keamanan database dikenal sebagai CIA Triad.

πŸ“Š Tabel:

AspekPenjelasan
ConfidentialityData hanya untuk yang berhak
IntegrityData tidak berubah sembarangan
AvailabilityData selalu tersedia

3. Ancaman Keamanan Database

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πŸ“– Deskripsi

Database memiliki berbagai ancaman.

🧠 Narasi Penjelasan

Contoh:

  • SQL Injection
  • Malware
  • Akses ilegal
  • Human error

πŸ‘‰ Ancaman bisa dari luar maupun dalam.


4. Autentikasi dan Otorisasi

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πŸ“– Deskripsi

Mengatur siapa yang boleh mengakses database.

🧠 Narasi Penjelasan

  • Autentikasi β†’ verifikasi user
  • Otorisasi β†’ hak akses

πŸ‘‰ Tidak semua user memiliki akses penuh.


5. Role dan Privilege

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πŸ“– Deskripsi

Mengatur hak akses pengguna.

🧠 Narasi Penjelasan

Contoh:

GRANT SELECT, INSERT ON mahasiswa TO user1;

πŸ‘‰ Hak akses bisa dibatasi sesuai kebutuhan.


6. Enkripsi Data

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πŸ“– Deskripsi

Melindungi data dengan kode rahasia.

🧠 Narasi Penjelasan

  • Data diubah menjadi tidak terbaca
  • Hanya bisa dibuka dengan kunci

πŸ‘‰ Digunakan untuk data sensitif.


7. Firewall dan Proteksi Jaringan

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πŸ“– Deskripsi

Melindungi database dari serangan jaringan.

🧠 Narasi Penjelasan

  • Memfilter akses
  • Mencegah serangan

8. Audit dan Monitoring

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πŸ“– Deskripsi

Mencatat aktivitas database.

🧠 Narasi Penjelasan

  • Siapa mengakses data
  • Apa yang dilakukan

πŸ‘‰ Penting untuk keamanan dan forensik.


πŸ”„ BAGIAN II: BACKUP DATABASE


9. Pengertian Backup Database

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πŸ“– Deskripsi

Backup adalah proses menyalin data untuk mencegah kehilangan.

🧠 Narasi Penjelasan

Jika terjadi:

  • Kerusakan sistem
  • Serangan virus
  • Human error

πŸ‘‰ Data bisa dipulihkan dari backup.


10. Jenis Backup

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πŸ“– Deskripsi

Backup memiliki beberapa jenis.

πŸ“Š Tabel:

JenisPenjelasan
Full BackupSemua data
IncrementalPerubahan terbaru
DifferentialPerubahan sejak backup terakhir

11. Proses Backup

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πŸ“– Deskripsi

Langkah-langkah backup.

🧠 Narasi Penjelasan

  1. Pilih data
  2. Simpan backup
  3. Verifikasi

12. Restore Database

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πŸ“– Deskripsi

Mengembalikan data dari backup.

🧠 Narasi Penjelasan

RESTORE DATABASE kampus FROM backup_file;

πŸ‘‰ Digunakan saat terjadi kehilangan data.


13. Strategi Backup

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πŸ“– Deskripsi

Perencanaan backup yang baik.

🧠 Narasi Penjelasan

Strategi populer:

  • 3-2-1 Rule
    • 3 salinan data
    • 2 media berbeda
    • 1 di lokasi berbeda

14. Kelebihan dan Kekurangan Backup

πŸ“Š Tabel:

KelebihanKekurangan
Data amanButuh storage
Bisa recoveryButuh waktu

15. Best Practice Keamanan dan Backup

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6

πŸ“– Deskripsi

Praktik terbaik dalam keamanan database.

🧠 Narasi Penjelasan

  • Gunakan password kuat
  • Backup rutin
  • Gunakan enkripsi
  • Batasi akses

16. Kesimpulan

πŸ“– Deskripsi

Inti pembelajaran.

🧠 Narasi Penjelasan

  • Keamanan melindungi data
  • Backup mencegah kehilangan data
  • Keduanya wajib dalam sistem database

🎯 LATIHAN / DISKUSI

  1. Apa itu keamanan database?
  2. Jelaskan CIA Triad!
  3. Apa perbedaan backup full dan incremental?

πŸ“ TUGAS

  • Buat:
    • Skema keamanan database
    • Rencana backup sederhana
  • Jelaskan strategi yang digunakan