The Economics of Information Security Investment. Gordon, L. A. & Loeb, M. P. ACM Trans. Inf. Syst. Secur., 5(4):438–457, November, 2002. Place: New York, NY, USA Publisher: Association for Computing Machinery
The Economics of Information Security Investment [link]Paper  doi  abstract   bibtex   
This article presents an economic model that determines the optimal amount to invest to protect a given set of information. The model takes into account the vulnerability of the information to a security breach and the potential loss should such a breach occur. It is shown that for a given potential loss, a firm should not necessarily focus its investments on information sets with the highest vulnerability. Since extremely vulnerable information sets may be inordinately expensive to protect, a firm may be better off concentrating its efforts on information sets with midrange vulnerabilities. The analysis further suggests that to maximize the expected benefit from investment to protect information, a firm should spend only a small fraction of the expected loss due to a security breach.
@article{gordon_economics_2002,
	title = {The {Economics} of {Information} {Security} {Investment}},
	volume = {5},
	issn = {1094-9224},
	url = {https://doi.org/10.1145/581271.581274},
	doi = {10.1145/581271.581274},
	abstract = {This article presents an economic model that determines the optimal amount to invest to protect a given set of information. The model takes into account the vulnerability of the information to a security breach and the potential loss should such a breach occur. It is shown that for a given potential loss, a firm should not necessarily focus its investments on information sets with the highest vulnerability. Since extremely vulnerable information sets may be inordinately expensive to protect, a firm may be better off concentrating its efforts on information sets with midrange vulnerabilities. The analysis further suggests that to maximize the expected benefit from investment to protect information, a firm should spend only a small fraction of the expected loss due to a security breach.},
	number = {4},
	journal = {ACM Trans. Inf. Syst. Secur.},
	author = {Gordon, Lawrence A. and Loeb, Martin P.},
	month = nov,
	year = {2002},
	note = {Place: New York, NY, USA
Publisher: Association for Computing Machinery},
	keywords = {Optimal security investment},
	pages = {438--457},
}

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