diff --git a/pdf/91. A Bug Hunter's Diary.pdf b/pdf/91. A Bug Hunter's Diary.pdf new file mode 100644 index 0000000..fd95f8a Binary files /dev/null and b/pdf/91. A Bug Hunter's Diary.pdf differ diff --git a/pdf/92. Viruses Revealed - Undestand and Counter Malicious Software.pdf b/pdf/92. Viruses Revealed - Undestand and Counter Malicious Software.pdf new file mode 100644 index 0000000..461c890 Binary files /dev/null and b/pdf/92. Viruses Revealed - Undestand and Counter Malicious Software.pdf differ diff --git a/pdf/93. Digital Forensics With Open Source Tools.pdf b/pdf/93. Digital Forensics With Open Source Tools.pdf new file mode 100644 index 0000000..5dd5ec8 Binary files /dev/null and b/pdf/93. Digital Forensics With Open Source Tools.pdf differ diff --git a/pdf/94. SSH, The Secure Shell - The Definitive Guide.pdf b/pdf/94. SSH, The Secure Shell - The Definitive Guide.pdf new file mode 100644 index 0000000..5f74b16 Binary files /dev/null and b/pdf/94. SSH, The Secure Shell - The Definitive Guide.pdf differ diff --git a/pdf/95. Pro PHP Security.pdf b/pdf/95. Pro PHP Security.pdf new file mode 100644 index 0000000..df77718 Binary files /dev/null and b/pdf/95. Pro PHP Security.pdf differ