diff --git a/clip/copy_MAC.go b/clip/copy_MAC.go
index df39ec2..a7cb0fd 100644
--- a/clip/copy_MAC.go
+++ b/clip/copy_MAC.go
@@ -9,10 +9,10 @@ import (
 	"github.com/rwinkhart/go-boilerplate/back"
 )
 
-// CopyString copies a string to the clipboard.
-func CopyString(clearClipboardAutomatically bool, copySubject string) error {
+// CopyBytes copies a byte slice to the clipboard.
+func CopyBytes(clearClipboardAutomatically bool, copySubject []byte) error {
 	cmd := exec.Command("pbcopy")
-	_ = back.WriteToStdin(cmd, copySubject)
+	_ = back.WriteToStdinAndZeroizeInput(cmd, copySubject)
 	if err := cmd.Run(); err != nil {
 		return errors.New("unable to copy to clipboard: " + err.Error())
 	}
@@ -25,6 +25,6 @@ func CopyString(clearClipboardAutomatically bool, copySubject string) error {
 // getClipCommands returns the commands for pasting and clearing the clipboard contents.
 func getClipCommands() (*exec.Cmd, *exec.Cmd, error) {
 	cmdClear := exec.Command("pbcopy")
-	_ = back.WriteToStdin(cmdClear, "")
+	_ = back.WriteToStdinAndZeroizeInput(cmdClear, nil)
 	return exec.Command("pbpaste"), cmdClear, nil
 }
diff --git a/clip/copy_TERMUX.go b/clip/copy_TERMUX.go
index 299203d..2023cf9 100644
--- a/clip/copy_TERMUX.go
+++ b/clip/copy_TERMUX.go
@@ -9,10 +9,10 @@ import (
 	"github.com/rwinkhart/go-boilerplate/back"
 )
 
-// CopyString copies a string to the clipboard.
-func CopyString(clearClipboardAutomatically bool, copySubject string) error {
+// CopyBytes copies a byte slice to the clipboard.
+func CopyBytes(clearClipboardAutomatically bool, copySubject []byte) error {
 	cmd := exec.Command("termux-clipboard-set")
-	_ = back.WriteToStdin(cmd, copySubject)
+	_ = back.WriteToStdinAndZeroizeInput(cmd, copySubject)
 	if err := cmd.Run(); err != nil {
 		return errors.New("unable to copy to clipboard: " + err.Error())
 	}
@@ -25,6 +25,6 @@ func CopyString(clearClipboardAutomatically bool, copySubject string) error {
 // getClipCommands returns the commands for pasting and clearing the clipboard contents.
 func getClipCommands() (*exec.Cmd, *exec.Cmd, error) {
 	cmdClear := exec.Command("termux-clipboard-set")
-	_ = back.WriteToStdin(cmdClear, "")
+	_ = back.WriteToStdinAndZeroizeInput(cmdClear, nil)
 	return exec.Command("termux-clipboard-get"), cmdClear, nil
 }
diff --git a/clip/copy_WIN.go b/clip/copy_WIN.go
index 2e67658..2f43b51 100644
--- a/clip/copy_WIN.go
+++ b/clip/copy_WIN.go
@@ -9,10 +9,10 @@ import (
 	"github.com/rwinkhart/go-boilerplate/back"
 )
 
-// CopyString copies a string to the clipboard.
-func CopyString(clearClipboardAutomatically bool, copySubject string) error {
+// CopyBytes copies a byte slice to the clipboard.
+func CopyBytes(clearClipboardAutomatically bool, copySubject []byte) error {
 	cmd := exec.Command("clip.exe")
-	_ = back.WriteToStdin(cmd, copySubject)
+	_ = back.WriteToStdinAndZeroizeInput(cmd, copySubject)
 	if err := cmd.Run(); err != nil {
 		return errors.New("unable to copy to clipboard: " + err.Error())
 	}
@@ -25,6 +25,6 @@ func CopyString(clearClipboardAutomatically bool, copySubject string) error {
 // getClipCommands returns the commands for pasting and clearing the clipboard contents.
 func getClipCommands() (*exec.Cmd, *exec.Cmd, error) {
 	clearCMD := exec.Command("clip.exe")
-	_ = back.WriteToStdin(clearCMD, "")
+	_ = back.WriteToStdinAndZeroizeInput(clearCMD, nil)
 	return exec.Command("powershell.exe", "-c", "Get-Clipboard"), clearCMD, nil
 }
diff --git a/clip/launchClipClearProcessGUI_GENERIC.go b/clip/launchClipClearProcessGUI_GENERIC.go
index 85564f5..98c2c71 100644
--- a/clip/launchClipClearProcessGUI_GENERIC.go
+++ b/clip/launchClipClearProcessGUI_GENERIC.go
@@ -5,6 +5,6 @@ package clip
 // LaunchClearProcess launches the timed clipboard clearing process.
 // For interactive GUI/TUI implementations, the clipboard clearing process is launched as a goroutine.
 // copySubject can be omitted to clear the clipboard immediately and unconditionally.
-func LaunchClearProcess(copySubject string) {
+func LaunchClearProcess(copySubject []byte) {
 	go ClearProcess(copySubject)
 }