Network Traffic Anomaly Detection Author: Gerard King - Cyber Security Analyst  Language: R  R Script:  # Load required libraries library(dplyr) library(ggplot2)  # Specify the path to the network traffic data file (CSV format) data_file_path <- "network_traffic_data.csv"  # Read the network traffic data network_data <- read.csv(data_file_path, stringsAsFactors = FALSE)  # Convert the timestamp column to a datetime format (assuming it's named "timestamp") network_data$timestamp <- as.POSIXct(network_data$timestamp, format = "%Y-%m-%d %H:%M:%S")  # Extract date and time components from the timestamp network_data$date <- as.Date(network_data$timestamp) network_data$hour <- hour(network_data$timestamp)  # Group data by date and hour, calculate the total bytes transferred traffic_summary <- network_data %>%   group_by(date, hour) %>%   summarise(total_bytes = sum(bytes))  # Detect unusual spikes in network traffic (adjust the threshold as needed) threshold <- 2 * quantile(traffic_summary$total_bytes, probs = 0.75)  # Example threshold: 2 times the 75th percentile  unusual_traffic_spikes <- traffic_summary %>%   filter(total_bytes > threshold)  # Print dates and hours with unusual traffic spikes cat("Dates and hours with unusual traffic spikes:\n") print(unusual_traffic_spikes)  # Plot the network traffic over time ggplot(traffic_summary, aes(x = hour, y = total_bytes)) +   geom_line() +   labs(title = "Network Traffic Over Time",        x = "Hour of the Day",        y = "Total Bytes Transferred")  # Save the plot as an image (optional) ggsave("network_traffic_over_time.png", plot = last_plot(), width = 8, height = 4)              © 2023 Gerard King. Leading the Charge Towards a Cyber-secure Financial Future.
   - **User Prompt**: "How can I detect unusual spikes in my network traffic data?"
   - **User Prompt**: "What do typical anomalies in network traffic indicate?"
   - **User Prompt**: "How can I visually represent network traffic data to spot anomalies?"
   - **User Prompt**: "What should I focus on when analyzing network traffic in a retail environment?"