diff --git a/README.md b/README.md
index da04305..7d62068 100644
--- a/README.md
+++ b/README.md
@@ -141,7 +141,7 @@ Discover more awesome lists at [sindresorhus/awesome](https://github.com/sindres
     - [pnaf](https://github.com/jusafing/pnaf) - Passive Network Audit Framework.
 
 - VM monitoring and tools
-    - [vmscope](http://cs.gmu.edu/~xwangc/Publications/RAID07-VMscope.pdf) - Monitoring of VM-based.
+    - [vmscope](https://cs.gmu.edu/~xwangc/Publications/RAID07-VMscope.pdf) - Monitoring of VM-based.
     - [vmitools](http://libvmi.com/) - C library with Python bindings that makes it easy to monitor the low-level details of a running virtual machine.
     - [Antivmdetect](https://github.com/nsmfoo/antivmdetection) - Script to create templates to use with VirtualBox to make vm detection harder.
     - [VMCloak](https://github.com/jbremer/vmcloak) - Automated Virtual Machine Generation and Cloaking for Cuckoo Sandbox.
@@ -209,7 +209,6 @@ Discover more awesome lists at [sindresorhus/awesome](https://github.com/sindres
 
 - Honeypot deployment
     - [Modern Honeynet Network](http://threatstream.github.io/mhn/) - makes deploying and managing secure honeypots extremely simple.
-    - [SurfIDS](http://ids.surfnet.nl/wiki/doku.php) - an open source Distributed Intrusion Detection System based on passive sensors.
 
 - Honeypot extensions to Wireshark
     - [Whireshark Extensions](https://www.honeynet.org/project/WiresharkExtensions) - support applying Snort IDS rules and signatures against pcap files.
@@ -289,7 +288,7 @@ Discover more awesome lists at [sindresorhus/awesome](https://github.com/sindres
     - [Honeeepi] (https://redmine.honeynet.org/projects/honeeepi/wiki) - Honeeepi is a honeypot sensor on Raspberry Pi which based on customized Raspbian OS.
 
 - File carving
-    - [TestDisk & PhotoRec](http://www.cgsecurity.org/)
+    - [TestDisk & PhotoRec](https://www.cgsecurity.org/)
 
 - Sebek
     - [Sebek](https://projects.honeynet.org/sebek/) - data capture