That same year, in December, the official website of Karachi police was hacked and defaced, allegedly by Indian hackers.
Foreign Office spokesperson Dr Mohammad Faisal tweeted, "We have called back our high commissioner in India for consultations".
The Confederation of All India Traders called for a nationwide strike to protest against the attack, and footage from Reuters partner ANI showed shuttered shops in several states on Monday. India has alleged that those who planned the attacks had links with the Pakistani state - a charge that Pakistan has vigorously denied.
India last played Pakistan in the Asia Cup in UAE. Both India and Pakistan claim the Himalayan region, which is divided by a heavily militarized frontier.
The 23 men included members and sympathizers of Jaish-e-Mohammad, the militant group which has claimed responsibility for Thursday's attack, the deadliest on Indian security forces in decades.
"The risk for the India story, which is keeping the dollar well bid vis-a-vis rupee, is higher oil, followed by Kashmir tensions and the political uncertainty", said Ashish Vaidya, head of trading at DBS Bank Ltd.in Mumbai.
According to a report in the Dawn, cross-border hacking attacks have been sporadic yet common since at least 1998.
Indian Prime Minister Narendra Modi, facing an election that must be held by May, is under domestic pressure for decisive action against Pakistan. "Cannot say now whether we will play Pakistan in the World Cup as it's too far but our policy and position is very clear, we will wait for the government's decision", he added.
Within hours of the attack, New Delhi withdrew trade privileges for Islamabad and ended police protection to four Kashmiri separatist leaders.
In her meeting with the ambassadors of P-5 countries on Saturday, Foreign Secretary Tehmina Janjua noted "a familiar Indian pattern of immediate and reflexive assignment of blame on Pakistan without investigations". "Ratcheting up tensions in the region will be counterproductive", she told the envoys.
The fighting erupted early Monday after government forces surrounded a village in the southern Pulwama area on a tip that militants were hiding there, security officials said.
India has demanded that Pakistan "stop supporting" terrorists who use Pakistan as a base.
The deadly attack took place on a highway in Pulwama, which connects the disputed territory's main city of Srinagar with its southern parts.