3 Add source for quote.
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He also poured fuel on a long-running debate over how government intelligence services should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

Source: http://in.reuters.com/article/us-britain-security-hospitals/more-disruptions-feared-from-cyber-attack-microsoft-slams-government-secrecy-idINKBN18820S

What does the "against" mean here?

  

He also poured fuel on a long-running debate over how government intelligence services should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

What does the "against" mean here?

 

He also poured fuel on a long-running debate over how government intelligence services should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

Source: http://in.reuters.com/article/us-britain-security-hospitals/more-disruptions-feared-from-cyber-attack-microsoft-slams-government-secrecy-idINKBN18820S

What does the "against" mean here?

 
2 add quote markdown and correct typos
source | link

He also poured fuel on a long-runing debate over how government intelligence sercvices should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

He also poured fuel on a long-running debate over how government intelligence services should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

What does the "against" mean here?

  

He also poured fuel on a long-runing debate over how government intelligence sercvices should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

What does the "against" mean here?

 

He also poured fuel on a long-running debate over how government intelligence services should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

What does the "against" mean here?

 
1
source | link

What does the "against" mean here?

He also poured fuel on a long-runing debate over how government intelligence sercvices should balance their desire to keep software flaws secret - in order to conduct espionage and cyber warfare - against sharing those flaws with technology companies to better secure the internet.

What does the "against" mean here?