diff --git a/2021_12_15_68th/20211215_Security-Belts_Security-Meetup_Kassel.pdf b/2021_12_15_68th/20211215_Security-Belts_Security-Meetup_Kassel.pdf new file mode 100644 index 0000000..3624a81 Binary files /dev/null and b/2021_12_15_68th/20211215_Security-Belts_Security-Meetup_Kassel.pdf differ diff --git a/2021_12_15_68th/The long road to passwordless - Meetup Kassel.pdf b/2021_12_15_68th/The long road to passwordless - Meetup Kassel.pdf new file mode 100644 index 0000000..f36e5ab Binary files /dev/null and b/2021_12_15_68th/The long road to passwordless - Meetup Kassel.pdf differ diff --git a/2021_12_15_68th/What we can do about Supply Chain attacks.pdf b/2021_12_15_68th/What we can do about Supply Chain attacks.pdf new file mode 100644 index 0000000..4fe00e7 Binary files /dev/null and b/2021_12_15_68th/What we can do about Supply Chain attacks.pdf differ