assertEquals(Long.valueOf(2), stats.get(EventType.SECURITY_VIOLATION), "Should have 2 security violation events");
    }

    @Test
    @DisplayName("Test concurrent logging")
    void testConcurrentLogging() throws InterruptedException {
        int threadCount = 10;
        int eventsPerThread = 100;
        Thread[] threads = new Thread[threadCount];

        for (int i = 0; i < threadCount; i++) {