Small and medium‑sized businesses: Big targets for ransomware attacks

Why are SMBs a target for ransomware-wielding gangs and what can they do to protect themselves against cyber-extortion? According to the World Bank, small and medium-sized businesses (SMBs) play a huge role in most economies, accounting for 90% of businesses worldwide and representing over 50% of employment. These are businesses that range from family-owned restaurants, through … More Small and medium‑sized businesses: Big targets for ransomware attacks

WannaCryptor remains a global threat three years on

WannaCryptor is still alive and kicking, so much so that it sits atop the list of the most commonly detected ransomware families. On May 12th, 2017, WannaCryptor (also known as WannaCry and WCrypt) wrought havoc on computer systems across the globe to a degree never seen previously. The cryptoworm propagated through an exploit called EternalBlue that targeted a … More WannaCryptor remains a global threat three years on

The good, the bad and the plain ugly

A prolific ransomware gang vows to dial back its campaigns and spare healthcare organizations altogether during the COVID-19 crisis. It’s no cause for celebration. When ransomware attacks a healthcare establishment, it can have a devastating effect. This was witnessed in 2017, when WannaCryptor.D (aka WannaCry) hit multiple sites across the United Kingdom’s National Health Service, limiting their ability to … More The good, the bad and the plain ugly

First BlueKeep attacks prompt fresh warnings

The infamous vulnerability has been exploited for a cryptocurrency mining campaign, but more damaging attacks may still be in store. Ever since it was discovered six months ago, the BlueKeep vulnerability has had (not only) the cybersecurity community concerned about impending WannaCryptor-style attacks. Earlier in November, Microsoft together with security researchers Kevin Beaumont and Marcus Hutchins shed light on … More First BlueKeep attacks prompt fresh warnings

How can critical infrastructure be targeted by malware?

Do you know how attacks on national critical systems could also represent a threat to your business? The concept that cyber criminals can take out power grids or disrupt transport networks may once have been a movie script rather than news headlines. Yet in the last few years we’ve seen continued attacks on power grids … More How can critical infrastructure be targeted by malware?