Wat betreft patchen / security / operating systems Alert (TA15-119A) : Top 30 Targeted High Risk Vulnerabilities 1 Use application whitelisting to help prevent malicious software and unapproved programs from running. Application whitelisting is one of the best security strategies as it allows only specified programs to run, while blocking all others, including malicious software. 2 Patch applications such as Java, PDF viewers, Flash, web browsers and Microsoft Office. Vulnerable applications and operating systems are the target of most attacks. Ensuring these are patched with the latest updates greatly reduces the number of exploitable entry points available to an attacker. 3 Patch operating system vulnerabilities. Vulnerable applications and operating systems are the target of most attacks. Ensuring these are patched with the latest updates greatly reduces the number of exploitable entry points available to an attacker. 4 Restrict administrative privileges to operating systems and applications based ...