Legal Implications
Because of the inherently open and decentralized architecture of the Internet, lawmakers have struggled since its creation to define legal boundaries that permit effective prosecution of cybercriminals. Cases involving port scanning activities are an example of the difficulties encountered in judging violations. Although these cases are rare, most of the time the legal process involves proving that an intent to commit a break-in or unauthorized access existed, rather than just the performance of a port scan:
- In June 2003, an Israeli, Avi Mizrahi, was accused by the Israeli Police of the offense of attempting the unauthorized access of computer material. He had port scanned the Mossad website. He was acquitted of all charges on February 29, 2004. The judge ruled that these kinds of actions should not be discouraged when they are performed in a positive way.
- A 17-year old Finn was accused of attempted computer break-in by a major Finnish bank. On April 9, 2003, he was convicted of the charge by the Supreme Court and ordered to pay US$ 12,000 for the expense of the forensic analysis made by the bank. In 1998, he had port scanned the bank network in an attempt to access the closed network, but failed to do so.
- In December 1999, Scott Moulton was arrested by the FBI and accused of attempted computer trespassing under Georgia's Computer Systems Protection Act and Computer Fraud and Abuse Act of America. At this time, his IT service company had an ongoing contract with Cherokee County of Georgia to maintain and upgrade the 911 center security. He performed several port scans on Cherokee County servers to check their security and eventually port scanned a web server monitored by another IT company, provoking a tiff which ended up in a tribunal. He was acquitted in 2000, the judge ruling there was no damage impairing the integrity and availability of the network.
In 2006, the UK Parliament had voted an amendment to the Computer Misuse Act 1990 that proves guilty a person who "makes, adapts, supplies or offers to supply any article knowing that it is designed or adapted for use in the course of or in connection with an offence under section 1 or 3 ". Nevertheless, the area of effect of this amendment is blurred, and widely criticized by Security experts as such.
Germany, with the Strafgesetzbuch ยง 202a,b,c has also a similar law, and the Council of the European Union has issued a press release stating they plan to pass a similar one too, albeit more precise.
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