“Many of the reported cases were attempted attacks, rather than successful attacks,” it said in its latest report.
The NCSC added that it assumed the real number of attacks was “substantially” bigger as there is no reporting obligation in Switzerland.
In its semi-annual report published on Thursday, most reported cases concerned different types of fraud, notably emails supposedly sent by law enforcement agencies.
Other forms of fraud include payments, investment and classified ads.
In the period under review, the number of attacks with encryption Trojans, so-called ransomware also increased, often involving double extortion to threaten the victims.
Alleged parcel notifications or delivery problems have also been used in many cases of phishing during the Covid-19 pandemic, the NCSC said.
The report points out that perpetrators often send text messages or emails to their victims.
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More than 250 Swiss companies sign CO2 reduction initiative
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Swiss accident prevention group sees federal targets at risk
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Swiss Justice Minister Beat Jans has called for electronic monitoring and an ankle bracelet warning system for perpetrators of violence against women.
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American artist Chaka Khan ‘and friends’ opened the 59th Montreux Jazz Festival on Friday. For over three hours, their show, dedicated to their friend and mentor Quincy Jones, thrilled the audience,
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If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at english@swissinfo.ch.