Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to defend your company against cyber crime [title] Know your enemy. To prevent scraping attack it's important to know your enemy. [step] Having your anti-virus and security software up to date is one of the easiest and most critical steps you can take to keep your site safe, especially if your website contains a cms or forum.

Ending1: Make sure that you have strong passwords and a strong anti-virus program to protect your site. [title] Focus on developing a effective safetrade. Ending2: [title] Stay in contact with a friend and family member. [step] A friend and family member can help your secure a secure system in case a hacker leaves you vulnerable. Ending3: Hackers take advantage of outdated security, and can locate vulnerable sites very quickly. [substeps] Another simple preventative measure you can take is to set url parameters to prevent hackers from accessing and manipulating your server or system. Ending4: Also, your internet network will have many quick fixes that will help protect you from a cyber crime problem. [substeps] For instance, you may have a user-run that spyages the web sites you use.

Answer format: ending1/ending2/ending3/ending4