Summary: The problems of ensuring business continuity in the enterprise are investigated. Two main strategies and solutions to ensure business continuity identified. Indicators of business continuity assessment identified. Influence of selected strategies and solutions to value business continuity indicators analyzed.

Keywords: information security, business continuity, backup, information system, recovery, business process.

Summary: The problem of choosinga web browserinvestigated. Four groupsof selection criteriaoffered. A combined approachto the choice ofa Web browser, usingmethods of multicriteriaevaluation andanalysis ofthe elementsof the vectoris designed. Flowchart verifies thatthe web browseruser requirementsdescribedin steps.

Keywords: information security, web application, web, multi-criteria evaluation, vector analysis.

Summary: The problem of security breaches of Internet technologies studied. Typical architecture of web-applications is described. Classification of threats of web-applications developed. The consequences of threats and attacks described. The authors were identified direction and protection technology. The life cycle of the process of creating and support a protected web-applications is described.

Keywords: information security, internet, statistics security threats, system protection, e-commerce, WAF, secure connection.