![While Microsoft released a patch last week to shore up flaws in its email software, the remedy still leaves open a so-called back door that can allow access to compromised servers [File: Arnd Wiegmann/Reuters]](/wp-content/uploads/2021/03/2020-12-21T205322Z_1555407862_RC2WRK9UDSV4_RTRMADP_3_SWISS-BUSINESS.jpg?resize=570%2C380)
White House official says threat to computer networks remains ‘active’ despite Microsoft software patch.
Cybercrime
![Hafnium has targeted US-based companies in the past, including infectious disease researchers, law firms, universities, defence contractors, think-tanks, and NGOs [File: Justin Sullivan/Getty Images via AFP]](/wp-content/uploads/2021/03/063_1149090978.jpg?resize=570%2C380)
Security specialist says campaign exploited recently discovered flaws in Microsoft Exchange software, infecting servers.
![The SolarWinds logo is seen outside its headquarters in Austin, Texas, on December 18, 2020 [File: Sergio Flores/Reuters]](/wp-content/uploads/2021/02/2021-02-23T153510Z_1351477009_RC2FYL9W1T84_RTRMADP_3_CYBER-SOLARWINDS.jpg?resize=570%2C380)
Microsoft president tells Congressional hearing best practices, more personnel needed to secure US systems.
![This wanted poster released by the US Department of Justice shows Kim Il, who prosecutors say is a member of a North Korean military intelligence agency [US Department of Justice via AP]](/wp-content/uploads/2021/02/AP_21048624991852.jpg?resize=570%2C380)
North Korean intelligence agents charged with $1.3bn in cyber-heists, extortion, malware and phishing schemes.
![Digital espionage directed at health agencies, vaccine scientists and pharmaceutical makers has surged during the COVID-19 pandemic [File: Wael Hamzah/EPA]](/wp-content/uploads/2021/02/h_56699389.jpg?resize=270%2C180)
South Korean intelligence services did not say when alleged attack took place or whether it was successful.
![Communications intercepted by UAE spies included personal reflections, security details, and an itinerary change [File: Steve Marcus/Reuters]](/wp-content/uploads/2020/12/2017-07-29T182542Z_1385082113_RC192027B9C0_RTRMADP_3_CYBER-CONFERENCE.jpg?resize=270%2C180)
New York Times says email communications between former US first lady and Qatari royal were surveilled.
![The software flaw exploited by the suspected Chinese group is separate from the one the United States has accused Russian government operatives of using to compromise up to 18,000 SolarWinds customers, including sensitive federal agencies [File: Kacper Pempel/Reuters]](/wp-content/uploads/2020/07/6d7c58e6300a451b89e0f23fb967255c_18.jpeg?resize=270%2C180)
FBI investigators found that a federal payroll agency inside the USDA was affected by a recent hack.
Israeli-made spying tools bought for Bangladesh intelligence service, despite the Asian country not recognising Israel.
![United States President Joe Biden is hiring a group of national security veterans with deep cyber expertise, drawing praise from former defence officials and investigators as the US government works to recover from one of the biggest hacks of its agencies attributed to Russian spies [Jonathan Ernst/Reuters]](/wp-content/uploads/2021/01/2021-01-22T054956Z_1368505981_RC2OCL96HBVF_RTRMADP_3_USA-GRAINS-BRAUN.jpg?resize=270%2C180)
US intelligence agencies attribute the hack to Russian state actors, but Moscow denies any involvement.
![US Intelligence agencies have said Russia is 'likely' behind hack of government agencies [File: Manuel Balce Ceneta/The Associated Press]](/wp-content/uploads/2021/01/AP_19204849160006.jpg?resize=270%2C180)
The agencies said the widespread breaches appeared to be part of a spying, not a disruption, operation.
![Swedish software developer Ola Bini sits in court after a local judge ordered him jailed for alleged involvement in hacking government computer systems, in Quito, Ecuador, on May 2, 2019 [Daniel Tapia/Reuters]](/wp-content/uploads/2021/01/2019-05-02T000000Z_352281287_RC1B81148700_RTRMADP_3_ECUADOR-WIKILEAKS.jpg?resize=270%2C180)
Software developer Ola Bini, accused of accessing a computer system illegally, is expected back in court this month.
![Microsoft said on Thursday it had detected unusual activity with a small number of internal accounts but upon investigating, discovered no changes had been made [File: Bloomberg]](/wp-content/uploads/2020/12/ms.jpg?resize=270%2C180)
A Microsoft spokesperson declined to say which source code the hackers viewed.
![President-elect Joe Biden speaks at The Queen Theater in Wilmington, Delaware [Carolyn Kaster/AP Photo]](/wp-content/uploads/2020/12/AP_20357757306489.jpg?resize=270%2C180)
US President-elect Joe Biden says the ‘assault’ on government computers will not ‘go unanswered’.
![Pegasus spyware infected mobile phones of 36 journalists, producers, anchors and executives at the media network [Showkat Shafi/Al Jazeera]](/wp-content/uploads/2020/12/6N0A3825.jpg?resize=270%2C180)
Watchdog suspects Saudi Arabia, the UAE behind the attack on 36 journalists earlier this year.