diff --git a/windows/security/book/images/hardware-root-of-trust.png b/windows/security/book/images/hardware-root-of-trust.png
deleted file mode 100644
index 8291d01bb7..0000000000
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diff --git a/windows/security/book/images/hardware-root-of-trust.svg b/windows/security/book/images/hardware-root-of-trust.svg
new file mode 100644
index 0000000000..1ef4ebad7c
--- /dev/null
+++ b/windows/security/book/images/hardware-root-of-trust.svg
@@ -0,0 +1,19 @@
+
diff --git a/windows/security/book/images/hardware.png b/windows/security/book/images/hardware.png
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diff --git a/windows/security/book/images/silicon-assisted-security.svg b/windows/security/book/images/silicon-assisted-security.svg
index bd604180f0..f2347eb867 100644
--- a/windows/security/book/images/silicon-assisted-security.svg
+++ b/windows/security/book/images/silicon-assisted-security.svg
@@ -1,13 +1,13 @@
-