diff --git a/chrome/browser/ui/views/digital_credentials/digital_identity_safety_interstitial_controller_desktop.cc b/chrome/browser/ui/views/digital_credentials/digital_identity_safety_interstitial_controller_desktop.cc
index b3d53679d28a3..215851a6329df 100644
--- a/chrome/browser/ui/views/digital_credentials/digital_identity_safety_interstitial_controller_desktop.cc
+++ b/chrome/browser/ui/views/digital_credentials/digital_identity_safety_interstitial_controller_desktop.cc
@@ -6,7 +6,9 @@
 
 #include <string>
 
+#include "base/logging.h"
 #include "base/metrics/histogram_functions.h"
+#include "base/time/time.h"
 #include "base/scoped_observation.h"
 #include "chrome/browser/digital_credentials/digital_identity_interstitial_closed_reason.h"
 #include "chrome/grit/generated_resources.h"
@@ -30,6 +32,10 @@ using RequestStatusForMetrics =
     content::DigitalIdentityProvider::RequestStatusForMetrics;
 using web_modal::WebContentsModalDialogManager;
 
+namespace {
+base::TimeTicks g_poc_shown_at;
+}  // namespace
+
 DEFINE_LOCAL_ELEMENT_IDENTIFIER_VALUE(kContinueButtonId);
 
 DigitalIdentitySafetyInterstitialControllerDesktop::CloseOnNavigationObserver::
@@ -168,6 +174,11 @@ void DigitalIdentitySafetyInterstitialControllerDesktop::ShowInterstitialImpl(
   }
   dialog_widget_ = constrained_window::ShowWebModal(
       dialog_model_builder.Build(), &web_contents);
+  g_poc_shown_at = base::TimeTicks::Now();
+  LOG(ERROR)
+      << "POC|DigitalIdentityInterstitial: SHOWN aborted=" << was_request_aborted
+      << " initially_focused=kContinueButtonId(OK) widget="
+      << dialog_widget_.get();
 
   close_on_navigation_observer_ = std::make_unique<CloseOnNavigationObserver>();
   close_on_navigation_observer_->Observe(web_contents);
@@ -184,6 +195,18 @@ void DigitalIdentitySafetyInterstitialControllerDesktop::OnDialogClosed(
     closed_reason = DigitalIdentityInterstitialClosedReason::kPageNavigated;
   }
 
+  const int delta_ms =
+      (base::TimeTicks::Now() - g_poc_shown_at).InMilliseconds();
+  LOG(ERROR) << "POC|DigitalIdentityInterstitial: CLOSED reason="
+             << static_cast<int>(closed_reason)
+             << " (1=kOkButton) shown_for=" << delta_ms << "ms"
+             << ((closed_reason ==
+                      DigitalIdentityInterstitialClosedReason::kOkButton &&
+                  delta_ms < 500)
+                     ? "  <<< KEYJACKED: accepted inside 500ms protection "
+                       "window"
+                     : "");
+
   base::UmaHistogramEnumeration(
       "Blink.DigitalIdentityRequest.InterstitialClosedReason", closed_reason);
 
diff --git a/content/browser/digital_credentials/digital_identity_request_impl.cc b/content/browser/digital_credentials/digital_identity_request_impl.cc
index 9ad1c7e772dc7..a9b6d1ff5ed47 100644
--- a/content/browser/digital_credentials/digital_identity_request_impl.cc
+++ b/content/browser/digital_credentials/digital_identity_request_impl.cc
@@ -16,6 +16,7 @@
 #include "base/functional/callback.h"
 #include "base/json/json_reader.h"
 #include "base/location.h"
+#include "base/logging.h"
 #include "base/metrics/field_trial_params.h"
 #include "base/metrics/histogram_functions.h"
 #include "base/trace_event/trace_event.h"
@@ -648,6 +649,12 @@ void DigitalIdentityRequestImpl::Abort() {
 void DigitalIdentityRequestImpl::OnInterstitialDone(
     base::Value request_to_send,
     RequestStatusForMetrics status_after_interstitial) {
+  LOG(ERROR) << "POC|DigitalIdentityRequestImpl::OnInterstitialDone status="
+             << static_cast<int>(status_after_interstitial)
+             << " (0=kSuccess)"
+             << (status_after_interstitial == RequestStatusForMetrics::kSuccess
+                     ? "  -> launching provider_->Get() (caBLE/QR flow)"
+                     : "");
   if (status_after_interstitial != RequestStatusForMetrics::kSuccess) {
     CompleteRequestWithError(status_after_interstitial);
     return;
diff --git a/ui/views/input_event_activation_protector.cc b/ui/views/input_event_activation_protector.cc
index 64d3057a87f15..33b57d38b445a 100644
--- a/ui/views/input_event_activation_protector.cc
+++ b/ui/views/input_event_activation_protector.cc
@@ -5,6 +5,7 @@
 #include "ui/views/input_event_activation_protector.h"
 
 #include "base/command_line.h"
+#include "base/logging.h"
 #include "ui/events/event.h"
 #include "ui/views/metrics.h"
 #include "ui/views/views_switches.h"
@@ -58,6 +59,12 @@ bool InputEventActivationProtector::IsPossiblyUnintendedInteraction(
   if (!event.IsMouseEvent() && !event.IsTouchEvent() &&
       !event.IsGestureEvent()) {
     if (allow_key_events || !event.IsKeyEvent()) {
+      LOG(ERROR) << "POC|InputProtector: key-event allow_key_events="
+                 << allow_key_events << " is_key=" << event.IsKeyEvent()
+                 << " since_protected="
+                 << (event.time_stamp() - view_protected_time_stamp_)
+                        .InMilliseconds()
+                 << "ms -> BYPASS time-gate, return false";
       return false;
     }
   }
@@ -75,7 +82,13 @@ bool InputEventActivationProtector::IsPossiblyUnintendedInteraction(
   repeated_event_count_ = 0;
 
   // Unintended if the user clicked right after the view was protected.
-  return event.time_stamp() < view_protected_time_stamp_ + kShortInterval;
+  bool unintended =
+      event.time_stamp() < view_protected_time_stamp_ + kShortInterval;
+  LOG(ERROR) << "POC|InputProtector: time-gate evaluated since_protected="
+             << (event.time_stamp() - view_protected_time_stamp_)
+                    .InMilliseconds()
+             << "ms unintended=" << unintended;
+  return unintended;
 }
 
 void InputEventActivationProtector::OnWindowStationaryStateChanged() {
diff --git a/ui/views/window/dialog_client_view.cc b/ui/views/window/dialog_client_view.cc
index cea7eb5aff0ec..272e75cf9c3aa 100644
--- a/ui/views/window/dialog_client_view.cc
+++ b/ui/views/window/dialog_client_view.cc
@@ -11,6 +11,7 @@
 
 #include "base/auto_reset.h"
 #include "base/check.h"
+#include "base/logging.h"
 #include "base/memory/raw_ptr.h"
 #include "build/build_config.h"
 #include "ui/base/interaction/element_identifier.h"
@@ -398,12 +399,19 @@ void DialogClientView::UpdateDialogButton(raw_ptr<MdTextButton>* member,
 void DialogClientView::ButtonPressed(ui::mojom::DialogButton type,
                                      const ui::Event& event) {
   DialogDelegate* const delegate = GetDialogDelegate();
+  const bool allow_key =
+      delegate && delegate->ShouldAllowKeyEventsDuringInputProtection();
+  LOG(ERROR) << "POC|DialogClientView::ButtonPressed type="
+             << static_cast<int>(type) << " (1=kOk) event_is_key="
+             << event.IsKeyEvent()
+             << " ShouldAllowKeyEventsDuringInputProtection=" << allow_key;
   if (!delegate ||
       input_protector_->IsPossiblyUnintendedInteraction(
-          event, /*allow_key_events=*/delegate
-                     ->ShouldAllowKeyEventsDuringInputProtection())) {
+          event, /*allow_key_events=*/allow_key)) {
+    LOG(ERROR) << "POC|DialogClientView::ButtonPressed -> SUPPRESSED";
     return;
   }
+  LOG(ERROR) << "POC|DialogClientView::ButtonPressed -> dispatching";
 
   DCHECK(type == ui::mojom::DialogButton::kOk ||
          type == ui::mojom::DialogButton::kCancel);