EC-Council 312-92 Exam After learning from an external auditor that his code was susceptible to attack, George decided to rewrite some of his code to look like the following. What is George preventing

EC-Council 312-92 Exam After learning from an external auditor that his code was susceptible to attack, George decided to rewrite some of his code to look like the following. What is George preventing by changing the code? public voif doContent(...) { ... String s; if ((s = getUsernameByID("userid")) != null) { s = StringUtils.encodeToHTML(s, 50); response.write("<br>Applicant:<u>" + s + "</u>"); } ... }